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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 ...
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 ...