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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 ...
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 ...