Epigeal Collembola in arable fields : their ecology in relation to the effects of pesticides

by Alvarez, Tania
Published 1999

Therapeutic efficacy test in malaria <it>falciparum </it>in Antioquia, Colombia

by Álvarez Tania, Ríos Alexandra, Piñeros Juan G, Carmona-Fonseca Jaime, Blair Silvia, Álvarez Gonzalo, Tobón Alberto
Published 2006-02-01