title: [Prevalence of Trypanosoma cruzi infection, in 1975, in 2 blood banks of Londrina, Paraná, Brazil].
mesh_terms: D001769:Blood / Q000469:parasitology*; D001782:Blood Donors; D001938:Brazil; D014355:Chagas Disease / Q000453:epidemiology* / Q000635:transmission; D003168:Complement Fixation Tests; D005455:Fluorescent Antibody Technique; D006801:Humans; D065227:Transfusion Reaction
vernacular_title: Prevalência da infecção por Trypanosoma cruzi, em 1975, em dois bancos de sangue de Londrina, Paraná, Brasil.