title: Occurrence of Toxoplasma gondii antibodies in Tanzanian blood donors.
mesh_terms: D000017:ABO Blood-Group System; D001782:Blood Donors; D006386:Hemagglutination Tests; D006801:Humans; D013636:Tanzania; D014123:Toxoplasmosis / Q000453:epidemiology*
chemical_list: D000017:ABO Blood-Group System