title: The Wellcome Unit No. 1: twenty-one years of contributions in the field of tropical parasitology.
mesh_terms: D000047:Academies and Institutes / Q000266:history*; D000818:Animals; D001938:Brazil; D014355:Chagas Disease / Q000266:history; D049673:History, 20th Century; D006801:Humans; D007303:Insect Vectors / Q000145:classification; D007896:Leishmaniasis / Q000266:history; D010274:Parasitology / Q000266:history*