title: The ABO phenotype Ax in Dar es Salaam.
mesh_terms: D000017:ABO Blood-Group System; D000328:Adult; D000372:Agglutination Tests; D000740:Anemia / Q000097:blood / Q000628:therapy*; D001782:Blood Donors; D001803:Blood Transfusion; D002675:Child, Preschool; D006801:Humans; D008297:Male; D010641:Phenotype; D013636:Tanzania
chemical_list: D000017:ABO Blood-Group System