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Aproximadamente 419 registro(s) hasta el momento: (journal)

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Recurso libre

A comparison of traditional elasticity and variance-standardized perturbation analyses: a case study with the tropical tree species Manilkara zapota (Sapotaceae)
Cruz-Rodríguez, JA - López-Mata, L - Valverde-Valdés, María Teresa

Formato:	Article
Enlaces:	Knowledge of the population dynamics of tropical trees has expanded considerably in the past 20 years. An important observation deriving from these investigations is the confirmation that population behaviour varies both in time and space. A tool recently developed to…
Fecha:	2013-04-05
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

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

Recurso libre

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

Recurso libre

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

Recurso libre

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

Recurso libre

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

Recurso libre

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

Recurso libre

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

Recurso libre

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

Recurso libre

10.

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