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Aproximadamente 72 registro(s) hasta el momento: (journal)

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Recurso libre

Metacystis borrori n. sp (Ciliophora : Metacystidae) on the Seagrass Thalassia testudinum
Aladro Lubel, María Antonieta - Martínez Murillo, ME

Formato:	Article
Enlaces:	Descripción completa.
Fecha:	2013-04-11
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

Cuestiones Constitucionales

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2013-05-22
Recurso:	Directory of Open Access Journals - DOAJ

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A possible case of Sporadic Aurora in 1843 from Mexico
Vaquero,José Manuel - Gallego,María Cruz - Domínguez-Castro,Fernando

Formato:	journal article
Enlaces:	In recent years, some authors have shown that some auroras can be observed at relatively low latitude when the geomagnetic activity is quiet or moderate. This very special type of aurora is called "sporadic aurora". We present and analyze in…
Fecha:	2013-03-01
Recurso:	SCIELO

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A new species of Metathelazia (Nematoda: Pneumospiruridae) from the lungs of a nine-banded armadillo in Central Mexico
Jiménez,F. Agustín - Rosas-Valdez,Rogelio - Gardner,Scott L.

Formato:	journal article
Enlaces:	Twenty-four worms were collected from the bronchioles in both lungs of a male nine-banded armadillo Dasypus novemcinctus Linnaeus, 1758 captured in Teacalco, Morelos, Mexico. The worms, herein named Metathelazia mexicana n. sp., show a constriction in the esophagus at the…
Fecha:	2013-03-01
Recurso:	SCIELO

Recurso libre

On two Psolidae (Echinodermata: Holothuroidea) from the Gulf of California, Mexico
Massin,Claude - Hendrickx,Michel E.

Formato:	journal article
Enlaces:	Two species of holothuroids of the family Psolidae have been collected in the Gulf of California, Mexico. Psolus diomedeae Ludwig, 1894, a species previously known from the Pacific coast of Mexico and abundant in the Gulf of California was collected…
Fecha:	2013-03-01
Recurso:	SCIELO

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Seven new species of Allorhogas (Hymenoptera: Braconidae: Doryctinae) from Mexico
Martínez,Juan José - Zaldívar-Riverón,Alejandro

Formato:	journal article
Enlaces:	Seven new Mexican species of the gall associated doryctine genus Allorhogas are described, illustrated and molecularly characterized: A. amuzgo sp. nov., A. coccolobae sp. nov., A. crassifemur sp. nov., A. jaliscoensis sp. nov., A. marshi sp. nov., A. parvus sp.…
Fecha:	2013-03-01
Recurso:	SCIELO

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Rediscovering an extraordinary vanishing bug: Llaveia axin axin
Suazo-Ortuño,Ireri - del Val-De Gortari,Ek - Benítez-Malvido,Julieta

Formato:	journal article
Enlaces:	The "aje" (Llaveia axin axin) is a parasitic hemipteran of various tree species in tropical dry forests of Mexico and Guatemala. Females produce fatty extracts used since prehispanic times (i.e., traditional medicine and as raw material to produce handcrafts). However,…
Fecha:	2013-03-01
Recurso:	SCIELO

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Morphology and magnetic survey of the Rivera-Cocos plate boundary of Colima, Mexico
Peláez Gaviria,Juan Ramón - Mortera Gutiérrez,Carlos A. - Bandy,William L. - Michaud,François

Formato:	journal article
Enlaces:	The propagation of the Pacific-Cocos Segment of the East Pacific Rise (EPR-PCS) has significantly altered the plate configuration at the north end of the Middle America Trench. This ridge propagation, the collision of the EPR-PCS with the Middle America Trench,…
Fecha:	2013-03-01
Recurso:	SCIELO

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Total mercury in terrestrial systems (air-soil-plant-water) at the mining region of San Joaquín, Queretaro, Mexico
Martínez-Trinidad,Sergio - Hernández Silva,Gilberto - Ramírez Islas,Martha Elena - Martínez Reyes,Juventino - Solorio Munguía,Gregorio - Solís Valdez,Sara - García Martínez,Rocío

Formato:	journal article
Enlaces:	Deficient management of cinnabar mining left the San Joaquín region with high concentrations of mercury in its soils (2.4 - 4164 mg kg-1). Numerous cinnabar mines have contributed to the dispersion of mercury into agricultural (0.5 - 314 mg kg-1)…
Fecha:	2013-03-01
Recurso:	SCIELO

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10.

Emotional dysfunction associated with diabetes in Mexican adolescents and young adults with type-1 diabetes
Lerman-Garber,Israel - Barrón-Uribe,Consuelo - Calzada-León,Raúl - Mercado-Atri,Moisés - Vidal-Tamayo,Rafael - Quintana,Silvia - Hernández,María Elena - Ruiz-Reyes,María de la Luz - Tamez-Gutiérrez,Laura Elena - Nishimura-Meguro,Elisa - Villa,Antonio R

Formato:	journal article
Enlaces:	OBJECTIVE: To assess the emotional dysfunction associated with diabetes in Mexican young individuals with type-1 diabetes. MATERIAL AND METHODS: A cross-sectional survey was conducted to perform a complete clinical and psychosocial evaluation of 93 consecutive type-1 diabetes patients, aged 14…
Fecha:	2003-01-01
Recurso:	SCIELO

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11.

Contact with hospital syringes containing body fluids: implications for medical waste management regulation
Volkow,Patricia - Jacquemin,Bénédicte - Vilar-Compte,Diana - Castillo,José Ramón

Formato:	journal article
Enlaces:	OBJECTIVE: To determine amount of syringes used in the hospital and extent of contact with blood and body fluids of these syringes. MATERIAL AND METHODS: Syringe use was surveyed at a tertiary care center for one week; syringes were classified…
Fecha:	2003-04-01
Recurso:	SCIELO

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12.

Control of Chagas disease vectors
Ramsey,JM - Schofield,CJ

Formato:	journal article
Enlaces:	Most Latin American countries are making dramatic progress in controlling Chagas disease, through a series of national and international initiatives focusing on elimination of domestic populations of Triatominae, improved screening of blood donors, and clinical support and treatment of persons…
Fecha:	2003-04-01
Recurso:	SCIELO

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13.

Use of antibiotics in upper respiratory infections on patients under 16 years old in private ambulatory medicine
Peláez-Ballestas,Ingris - Hernández-Garduño,Adolfo - Arredondo-García,José Luis - Viramontes-Madrid,Jose Luis - Aguilar-Chiu,Artemisa

Formato:	journal article
Enlaces:	OBJECTIVE: To assess antibiotic use for upper respiratory infections (URI) treatment on patients under 16 years-old who are beneficiaries of a pre-paid health care scheme. MATERIAL AND METHODS: A database containing the record of all the medical prescriptions for URI…
Fecha:	2003-06-01
Recurso:	SCIELO

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14.

Seroprevalence of hepatitis B in pregnant women in Mexico
Vázquez-Martínez,José Luis - Coreño-Juárez,María Ofelia - Montaño-Estrada,Luis Felipe - Attlan,Michaël - Gómez-Dantés,Héctor

Formato:	journal article
Enlaces:	OBJECTIVE: To determine the seroprevalence of hepatitis B in pregnant women from several regions of Mexico, as well as the risk factors associated with its occurrence. MATERIAL AND METHODS: A cross-sectional study was conducted between May and August 2000. It…
Fecha:	2003-06-01
Recurso:	SCIELO

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15.

Factors associated with therapy noncompliance in type-2 diabetes patients
Hernández-Ronquillo,Lizbeth - Téllez-Zenteno,José Francisco - Garduño-Espinosa,Juan - González-Acevez,Erick

Formato:	journal article
Enlaces:	OBJECTIVE: To identify the frequency and factors associated with therapy noncompliance in type-2 diabetes mellitus patients. MATERIAL AND METHODS: A cross-sectional study was carried out in 79 patients with type-2 diabetes mellitus seen in major hospitals of Mexico City. Patients…
Fecha:	2003-06-01
Recurso:	SCIELO

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16.

Cervical cancer, a disease of poverty: mortality differences between urban and rural areas in Mexico
Palacio-Mejía,Lina Sofía - Rangel-Gómez,Gudelia - Hernández-Avila,Mauricio - Lazcano-Ponce,Eduardo

Formato:	journal article
Enlaces:	OBJECTIVE: To examine cervical cancer mortality rates in Mexican urban and rural communities, and their association with poverty-related factors, during 1990-2000. MATERIAL AND METHODS: We analyzed data from national databases to obtain mortality trends and regional variations using a Poisson…
Fecha:	2003-01-01
Recurso:	SCIELO

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17.

Anemia in Mexican women: a public health problem
Shamah-Levy,Teresa - Villalpando,Salvador - Rivera,Juan A. - Mejía-Rodríguez,Fabiola - Camacho-Cisneros,Martha - Monterrubio,Eric A

Formato:	journal article
Enlaces:	OBJECTIVE: The purpose of this study is to quantify the prevalence and distribution of anemia among women of childbearing age (12 to 49 years) participating in the 1999 National Nutrition Survey (NNS-1999). MATERIAL AND METHODS: The survey had a probabilistic…
Fecha:	2003-01-01
Recurso:	SCIELO

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18.

Methods of the National Nutrition Survey 1999
Resano-Pérez,Elsa - Méndez-Ramírez,Ignacio - Shamah-Levy,Teresa - Rivera,Juan A - Sepúlveda-Amor,Jaime

Formato:	journal article
Enlaces:	OBJECTIVE: To describe the methods and analyses of the 1999 National Nutrition Survey (NNS-99). MATERIAL AND METHODS: The 1999 National Nutrition Survey (NNS-99) is a probabilistic survey with nationwide representativity. The NNS-99 included four regions and urban and rural areas…
Fecha:	2003-01-01
Recurso:	SCIELO

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19.

In vitro antimicrobial susceptibility in clinical isolates of Enterococcus species
Calderón-Jaimes,Ernesto - Arredondo-García,José Luis - Aguilar-Ituarte,Felipe - García-Roca,Pilar

Formato:	journal article
Enlaces:	OBJECTIVE: To describe the antimicrobial activity of several antimicrobial agents against 97 clinical significant isolates of Enterococcus spp. MATHERIAL AND METHODS: During a 2-year prospective study at Instituto Nacional de Pediatria (National Institute of Pediatrics) in Mexico City. Ninety seven…
Fecha:	2003-04-01
Recurso:	SCIELO

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20.

Knowledge and beliefs about malaria transmission and practices for vector control in Southern Mexico
Rodríguez,Américo David - Penilla,Rosa Patricia - Henry-Rodríguez,Mario - Hemingway,Janet - Betanzos,Angel Francisco - Hernández-Avila,Juan Eugenio

Formato:	journal article
Enlaces:	OBJECTIVE: To investigate the knowledge and beliefs about malaria transmission and practices for vector control in eight villages on the coastal plain of Chiapas, Mexico. MATERIAL AND METHODS: A cross-sectional survey was conducted during May and June 1995 in Chiapas,…
Fecha:	2003-04-01
Recurso:	SCIELO

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21.

Hookworm infection and anemia in adult women in rural Chiapas, Mexico
Brentlinger,Paula E. - Capps,Linnea - Denson,Melinda

Formato:	journal article
Enlaces:	OBJECTIVE: To describe associations between anemia and hookworm (Necator americanus) infection in hospitalized women in rural Chiapas, Mexico. MATERIAL AND METHODS: We retrospectively reviewed the hospital records of 68 anemic women (defined as having a hemoglobin level <10mg/dl) or with…
Fecha:	2003-04-01
Recurso:	SCIELO

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22.

Intestinal parasites in children, in highly deprived areas in the border region of Chiapas, Mexico
Morales-Espinoza,Emma Marianela - Sánchez-Pérez,Héctor Javier - García-Gil,María del Mar - Vargas-Morales,Guadalupe - Méndez-Sánchez,José Domingo - Pérez-Ramírez,Margarita

Formato:	journal article
Enlaces:	OBJECTIVE: To assess the prevalence of intestinal parasitic infections among children in highly deprived areas, and its possible association with demographic and socioeconomic indicators. MATERIAL AND METHODS: From March to September 1998 in a convenience sample of 32 communities of…
Fecha:	2003-10-01
Recurso:	SCIELO

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23.

Microbiological indicators of water quality in the Xochimilco canals, Mexico City
Juárez-Figueroa,Luis Alfredo - Silva-Sánchez,Jesús - Uribe-Salas,Felipe Javier - Cifuentes-García,Enrique

Formato:	journal article
Enlaces:	OBJECTIVE: To quantify microbiology indicators of fecal contamination in the effluents of two waste water treatment plants and in samples collected in several canals in Xochimilco. MATERIAL AND METHODS: A cross sectional study was performed. Ten sites, 5 from plant…
Fecha:	2003-10-01
Recurso:	SCIELO

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24.

Determining lead sources in Mexico using the lead isotope ratio
Chaudhary-Webb,Madhu - Paschal,Daniel C. - Romieu,Isabelle - Ting,Bill - Elliot,Crawford - Hopkins,Harry - Sanín,Luz Helena - Ghazi,Mahamad A.

Formato:	journal article
Enlaces:	OBJECTIVE: Lead poisoning can, in some cases, be traced to a specific route or source of exposure on the basis of the individual's blood lead isotope ratio. To assess the major source of lead exposure among women residing in Mexico…
Fecha:	2003-01-01
Recurso:	SCIELO

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25.

Breast-feeding practices in Mexico: results from the Second National Nutrition Survey 1999
González-Cossío,Teresa - Moreno-Macías,Hortensia - Rivera,Juan A - Villalpando,Salvador - Shamah-Levy,Teresa - Monterrubio,Eric A - Hernández-Garduño,Adolfo

Formato:	journal article
Enlaces:	OBJECTIVE: To assess breast-feeding (BF) practices and determinants of exclusive BF (EBF) <4 and <6 months (mo) among women and infants <23 mo in the NNS-1999. MATERIAL AND METHODS: BF practices from the day and night before the interview were…
Fecha:	2003-01-01
Recurso:	SCIELO

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26.

Energy and nutrient consumption in Mexican women 12-49 years of age: analysis of the National Nutrition Survey 1999
Barquera,Simón - Rivera,Juan A - Espinosa-Montero,Juan - Safdie,Margarita - Campirano,Fabricio - Monterrubio,Eric A

Formato:	journal article
Enlaces:	OBJECTIVE: To describe the reported energy and nutrient intake and adequacies in Mexican women. MATERIAL AND METHODS: A 24-hour dietary recall was used to obtain nutrient intake in a representative sub-sample of 2 630 women from 12 to 49 years…
Fecha:	2003-01-01
Recurso:	SCIELO

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27.

Energy and nutrient intake in preschool and school age Mexican children: National Nutrition Survey 1999
Barquera,Simón - Rivera,Juan A - Safdie,Margarita - Flores,Mario - Campos-Nonato,Ismael - Campirano,Fabricio

Formato:	journal article
Enlaces:	OBJECTIVE: To estimate energy and nutrient intake and adequacy in preschool and school age Mexican children, using the National Nutrition Survey 1999 (NNS-1999). MATERIAL AND METHODS: Twenty four-h dietary recalls from pre-school (n=1 309) and school (n=2 611) children obtained…
Fecha:	2003-01-01
Recurso:	SCIELO

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28.

Factors associated with overweight and obesity in Mexican school-age children: results from the National Nutrition Survey 1999
Hernández,Bernardo - Cuevas-Nasu,Lucía - Shamah-Levy,Teresa - Monterrubio,Eric A - Ramírez-Silva,Claudia Ivonne - García-Feregrino,Raquel - Rivera,Juan A - Sepúlveda-Amor,Jaime

Formato:	journal article
Enlaces:	OBJECTIVE: The objective of the study was to measure the prevalence of overweight and obesity in Mexican school-age children (5-11 years) in the National Nutrition Survey 1999 (NNS-1999). MATERIAL AND METHODS: Overweight and obesity (defined as an excess of adipose…
Fecha:	2003-01-01
Recurso:	SCIELO

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29.

Conclusions from the Mexican National Nutrition Survey 1999: translating results into nutrition policy
Rivera,Juan A - Sepúlveda Amor,Jaime

Formato:	journal article
Enlaces:	OBJECTIVE: This article presents and overview of the main results and conclusions from the Mexican National Nutrition Survey 1999 (NNS-1999) and the principal nutrition policy implications of the findings. MATERIAL AND METHODS: The NNS-1999 was conducted on a national probabilistic…
Fecha:	2003-01-01
Recurso:	SCIELO

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30.

Sexually transmitted infections associated with vulvovaginal symptoms in adolescents denying sexual activity
Velarde-Jurado,Elizabeth - Estrada-Reyes,Elizabeth - Eraña-Guerra,Luis - Raya-Rivera,Atlántida - Velázquez-Armenta,E Yadira - Nava-Ocampo,Alejandro A

Formato:	journal article
Enlaces:	OBJECTIVE: To identify clinical, laboratory and ultrasonographic evidence of a probable sexually transmitted infection associated with vulvovaginal symptoms in adolescents denying sexual activity. MATERIAL AND METHODS: The medical records of female adolescents, aged 10-18 years were reviewed. These women received…
Fecha:	2003-01-01
Recurso:	SCIELO

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31.

Sexual behavior patterns and HIV risks in bisexual men compared to exclusively heterosexual and homosexual men
Izazola-Licea,José Antonio - Gortmaker,Steven L - Gruttola,Víctor de - Tolbert,Kathryn - Mann,Jonathan

Formato:	journal article
Enlaces:	OBJECTIVE: To compare patterns of sexual behavior among bisexual, heterosexual and homosexual men. MATERIAL AND METHODS:A household probability survey was carried out in Mexico City in 1992-1993 using the national health surveys sampling frame. Information from 8 068 men was…
Fecha:	2003-01-01
Recurso:	SCIELO

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32.

Nutritional status of indigenous children younger than five years of age in Mexico: results of a national probabilistic survey
Rivera,Juan A - Monterrubio,Eric A - González-Cossío,Teresa - García-Feregrino,Raquel - García-Guerra,Armando - Sepúlveda-Amor,Jaime

Formato:	journal article
Enlaces:	OBJECTIVE: To compare the prevalence of undernutrition and anemia in indigenous and non-indigenous children <5 years of age at the national level, by region and by urban and rural areas, and to evaluate the degree to which the socioeconomic condition…
Fecha:	2003-01-01
Recurso:	SCIELO

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33.

Prevalence of anemia in children 1 to 12 years of age: results from a nationwide probabilistic survey in Mexico
Villalpando,Salvador - Shamah-Levy,Teresa - Ramírez-Silva,Claudia Ivonne - Mejía-Rodríguez,Fabiola - Rivera,Juan A

Formato:	journal article
Enlaces:	OBJECTIVE: To describe the epidemiology and analyze factors associated with iron deficiency anemia in a probabilistic sample of the Encuesta Nacional de Nutrición 1999 (ENN-99) [National Nutritional Survey 1999 (NNS-99)]. MATERIAL AND METHODS: The sample included 8 111 children aged…
Fecha:	2003-01-01
Recurso:	SCIELO

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34.

Vitamins A, and C and folate status in Mexican children under 12 years and women 12-49 years: a probabilistic national survey
Villalpando,Salvador - Montalvo-Velarde,Irene - Zambrano,Norma - García-Guerra,Armando - Ramírez-Silva,Claudia Ivonne - Shamah-Levy,Teresa - Rivera,Juan A

Formato:	journal article
Enlaces:	OBJECTIVE: To describe the epidemiology of Vitamin A and C and folic acid deficiencies and their association with sociodemographic and dietary factors in a national probabilistic sample of Mexican women and children. MATERIAL AND METHODS: This is a probabilistic sample…
Fecha:	2003-01-01
Recurso:	SCIELO

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35.

Iron, zinc and iodide status in Mexican children under 12 years and women 12-49 years of age: a probabilistic national survey
Villalpando,Salvador - García-Guerra,Armando - Ramírez-Silva,Claudia Ivonne - Mejía-Rodríguez,Fabiola - Matute,Guadalupe - Shamah-Levy,Teresa - Rivera,Juan A

Formato:	journal article
Enlaces:	OBJECTIVE: To describe the epidemiology of iron, zinc and iodide deficiencies in a probabilistic sample of Mexican women and children and explore its association with some dietary and socio-demographic variables. MATERIAL AND METHODS: We carried out in 1999 an epidemiological…
Fecha:	2003-01-01
Recurso:	SCIELO

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36.

Screening for cervical cancer: new alternatives and research
Lörincz,Attila T

Formato:	journal article
Enlaces:	Evidence for the clinical utility of human papillomavirus (HPV) DNA testing has increased over the years and has now become very convincing. Some specific uses of HPV detection are a) triage of women with cytological determinations of atypical squamous cells…
Fecha:	2003-01-01
Recurso:	SCIELO

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37.

Polibotánica

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2008-03-10
Recurso:	Directory of Open Access Journals - DOAJ

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38.

Estudios Económicos

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2013-05-21
Recurso:	Directory of Open Access Journals - DOAJ

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39.

Tecsistecatl : Revista Electrónica de Ciencias Sociales

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2013-10-04
Recurso:	Directory of Open Access Journals - DOAJ

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40.

Where has Aristolochia tricaudata (ARISTOLOCHIACEAE) gone? New record of a critically endangered species in Oaxaca, Mexico
Rivera-Hernández,Jaime Ernesto - Samain,Marie-Stéphanie

Formato:	journal article
Enlaces:	During fieldwork in San Juan Teponaxtla, Oaxaca, 3 individuals of Aristolochia tricaudata Lemaire, a very rare species threatened with extinction, were observed with flowers and fruits. Although this species is present in many botanical gardens, fruits have never been observed.…
Fecha:	2011-03-01
Recurso:	SCIELO

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41.

Late Paleocene Architectonicidae (Gastropoda: Heterobranchia) from Baja California, Mexico
Perrilliat,María del Carmen

Formato:	journal article
Enlaces:	Six gastropod species including two new ones, belonging to the family Architectonicidae, of the genera Architectonica, Granosolarium and Pseudomalaxis, are described for the Late Paleocene Sepultura Formation in Baja California, northwestern Mexico. The new species Architectonica bieleri and Architectonica bajaensis…
Fecha:	2013-04-01
Recurso:	SCIELO

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42.

Rapid isotopic changes in groundwater, upper Rio Guanajuato catchment, Mexico
Cortés,Alejandra - Durazo,Jaime - Kralisch,Stefanie

Formato:	journal article
Enlaces:	Significant changes in the isotopic composition of groundwater in the upper catchment of Rio Guanajuato, Mexico, were detected in two independent sets of samples for 3 % of the 1600 high-production wells in the area. Sampling was done in December…
Fecha:	2007-03-01
Recurso:	SCIELO

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43.

The bolide of February 10, 2010: Observations in Hidalgo and Puebla, Mexico
Cordero,Guadalupe - Cervantes-de la Cruz,Karina - Gómez,Eduardo

Formato:	journal article
Enlaces:	On February 10th, 2010, the inhabitant population of some towns near the border between the States of Hidalgo and Puebla, Mexico, heard a strong blast overhead and felt seismic tremors and roof and windows vibration. At Tulancingo, Hidalgo, 25 km…
Fecha:	2011-03-01
Recurso:	SCIELO

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44.

Intracardiac ultrasound-guided percutaneous mitral valvuloplasty
Peña-Duque,Marco Antonio - Zabal-Cerdeira,Carlos - Amado-de León,José Alejandro - García Montes,José Antonio - Martínez-Ríos,Marco Antonio

Formato:	journal article
Enlaces:	Intracardiac echocardiography (ICE) is a relatively new method of ultrasound images useful during cardiac percutaneous interventional procedures. The first human experience with this method was published in 2000 and, since then, several original trials have enrolled this useful method, proving…
Fecha:	2011-03-01
Recurso:	SCIELO

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45.

The ringtail tonguefish, Symphurus ocellaris, a new addition to the marine fish fauna of Mexico (Cynoglossidae, Pleuronectiformes)
van der Heiden,Albert M. - Ruiz-Guerrero,Marcela - Plascencia-González,Héctor G.

Formato:	journal article
Enlaces:	Eleven specimens of the ringtail tonguefish, Symphurus ocellaris Munroe and Robertson, 2005, were obtained from off the coasts of Chiapas and Colima, Mexico. Previously, this species was known only from the 2 type specimens collected off the Pacific coast of…
Fecha:	2011-03-01
Recurso:	SCIELO

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46.

The impact of altitude on hospitalization and hospital mortality from pandemic 2009 influenza A (H1N1) virus pneumonia in Mexico
Pérez-Padilla,Rogelio - García-Sancho,Cecilia - Fernández,Rosario - Franco-Marina,Francisco - López-Gatell,Hugo - Bojórquez,Ietza

Formato:	journal article
Enlaces:	OBJECTIVE: To determine the effect of altitude of residence on influenza A (H1N1). MATERIALS AND METHODS: We analyzed 207 135 officially notified of influenza-like illness (ILI) cases, 23 048 hospitalizations and 573 deaths during the first months of the novel…
Fecha:	2013-02-01
Recurso:	SCIELO

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47.

A new species of Bidens (Asteraceae: Coreopsidae) from baja California Sur, Mexico
León de la Luz,José Luis - Medel-Narváez,Alfonso

Formato:	journal article
Enlaces:	A new taxon of Asteraceae, Bidens cabopulmensis, from the Cape Region of Baja California Sur, is described and illustrated. It occurs on coastal sand dunes. The novelty is not especially close to the other eight known species of Bidens from…
Fecha:	2013-04-01
Recurso:	SCIELO

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48.

Euapta godeffroyi (Holothuroidea: Synaptidae): Filling the distribution gap between Mexico and Costa Rica, eastern tropical Pacific
Granja-Fernández,Rebeca - Antonio-Pérez,Virgilio - López-Pérez,Ramón Andrés

Formato:	journal article
Enlaces:	One specimen of the sea cucumber Euapta godeffroyi (Semper, 1868) is reported from La Entrega reef (15°44'34'' N, 96°07'35'' W), Southern Mexican Pacific. The specimen was observed feeding late at night, supporting the nocturnal habits of this species which is…
Fecha:	2013-04-01
Recurso:	SCIELO

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49.

Corals from the Early Cretaceous (Barremian - Early Albian) of Puebla (Mexico) - Introduction and Family Stylinidae
Löser,Hannes - García-Barrera,Pedro - Mendoza-Rosales,Claudia C. - Ortega-Hernández,Javier

Formato:	journal article
Enlaces:	The present contribution is the first instalment of a systematic revision of the Early Cretaceous (Barremian to Early Albian) corals of Puebla, Mexico. The coral fauna preserved in the Tehuacan region represents one of the most species rich associations of…
Fecha:	2013-08-01
Recurso:	SCIELO

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50.

Numerical modeling of Etla Valley aquifer, Oax., Mexico: Evolution and remediation scenarios
Flores-Márquez,E. L. - Martínez-Serrano,R. G. - Chávez,R. E. - Crusillo,Y - Jiménez,G - Campos-Enriquez,O

Formato:	journal article
Enlaces:	Short-term evolution (for 2001, 2005 and 2015) for the shallow aquifer of Etla Valley, Oaxaca, southern Mexico, was simulated based in a 3D hydrological model elaborated from the available geological, geophysical, geochemical, and hydrologic parameters. The numerical simulations were based…
Fecha:	2008-03-01
Recurso:	SCIELO