Buscar
Mostrando ítems 1-8 de 8
D-Loop mtDNA deletion as a Unique marker of chibchan Ameridians [resumen]
(1994)
Carta al editor. Torroni et al. (1993) presented an extensive restriction-site analysis of Native American mtDNAs from 17 widely dis- tributed Na-Dene and Amerindian tribes. For sometime we have been analyzing mtDNA control ...
Contaminación del agua del río Durazno, Costa Rica: más allá del índice holandés de calidad del agua
Pollution of the Durazno River water, Costa Rica: beyond the Dutch water quality index
(2023-06-01)
Introduction: The micro-basin of the Durazno River in Costa Rica is a source of water for human consumption, but is suspected of microbiological pollution from several land uses. Objective: To assess the water quality of ...
El cólera en la Costa Rica de 1856
(1992-02)
La segunda pandemia del cólera que se iniciara en 1829 en en la India, llego a las Américas y atacó México, Guatemala, Nicaragua y Panamá. No se tiene noticia de que en esa ocasión el cólera llegara a Costa Rica, lo cual ...
Anemia hipocrómica en niños preescolares de una comunidad urbano marginal, San José, Costa Rica
(Bol Med Hosp Infant Mex 59 (1) 85-88, 2002-01)
La Organización Mundial de la Salud (OMS) define anemia en niños menores de cinco años de edad como aquellos valores inferiores de hemoglobina (Hb) a 11 g/dL y de hematócrito (Hto) a 0.33 L/L (33%). Sin embargo, diversos ...
Polimorfismos genéticos en Costa Rica.
(Acta Médica Costarricense 41(3):3, 1999)
En Costa Rica, pocos son los estudios genéticos realizados en la población general, constituida por una amalgama que incluye tres etnias principales en diferentes proporciones. El trabajo de Rojas et al. representa un ...
Diarrhoeal diseases---how Costa Rica won
(Revista World Health Forum 2(1):141-142. 1981, 1981)
The progress made by Costa Rica in overcoming diarrhoeal diseases may be instructive to health authorities in other countries.
During the early pan of the century, Costa Rica; hie most developing nations, had a very high ...
Breast-feeding: helping to reduce the severity of diarrhoea. Protection, energy and nutrients
(Diarrhoea Dialogue ;17:p. 4-5, 1984-05)
Leonardo Mats considers the unique role of breastfeeding in child health and survival, and possible interventions to promote it in areas where bottle-feeding is common. The exceptional properties of human milk are the: ...
Global overview of injecting drug use and HIV infection
(lancet 265 p. 1008-1009, 2005-03-19)
Late in 2004, Carmen Aceijas and colleagues, on behalf of the United Nations Reference Group on HIV/AIDS Prevention and Care among IDU in Developing and Transitional Countries, presented global estimates of the prevalence ...