Objective. To study the activity of several antibiotics against Staphylococcus spp. Material and Methods. The study included 1209 strains of Staphylococcus spp. from two institutions; Instituto Nacional de Pediatría (National Institute of Pediatrics) and Hospital Infantil de México Federico Gómez…

Objective. To investigate if family head genre-associated education is related to the risk of domiciliary Aedes aegypti larval breeding in a dengue-endemic village of Southern Mexico. Material and Methods. A family head was considered to have a low education level…

Objective. This report describes the main clinical features associated with specific reading disability (RD) in a group of 778 school-age children studied in a Neuropsychological Clinic in Mexico City. Material and Methods. The study was performed retrospectively, using data abstracted…

Objective. To analyse the costs and the effectiveness of an intervention of home visits made by nurses to elderly people versus usual care given by the family medicine units. Material and Methods. A sample of 4 777 subjects aged 60…

Objective. To define epidemiologic relationships to determine the prevalence and potential risk factors for nasopharyngeal colonization by antibiotic-resistant pneumococci, their serotypes and their antibiotic susceptibility patterns in children attending a daycare center (DCC). Material and Methods. A prospective cohort study…

Objective. To assess the comparability of hemoglobin concentration (Hb) in venous and capillary blood measured by Hemocue and an automated spectrophotometer (Celldyn) and to document the influence of type of blood (capillary or venous) and analysis method on anemia prevalence…

Objective. To assess the geographic distribution and trends of AIDS deaths for the 1988-1997 period in Mexico. Material and Methods. Crude and adjusted mortality rates were estimated for the 1988-1997 period. A trend test was performed using the simple linear…

Tillandsia magnispica Espejo & López-Ferrari, known only from the state of Oaxaca, Mexico, in the municipalities of San Pedro el Alto and San Pedro Pochutla, is described and illustrated. The new taxon is compared with T. jaliscomonticola Matuda, a morphologically…

The name Didymaea alsinoides (Schltdl. & Cham.) Standl. has been incorrectly applied to a common and wide-ranging Mexican and Central American species whose correct identity is Didymaea Mexicana Hook. f. In this paper a lectotype is selected and designated for…

Genetic testing for mutations in BRCA1 and BRCA2 has potentially important public health implications. Through judicious testing of women believed to be at high risk for early-onset breast cancer and for ovarian cancer, it is possible to identify highly-predisposed women…