title: Absence of the G871A mutation in A3 blood donors from Brazil.
authors.forename: M L
authors.initials: ML
authors.lastname: Barjas-Castro
authors.forename: S T
authors.initials: ST
authors.lastname: Saad
mesh_terms: D000017:ABO Blood-Group System / Q000235:genetics*; D001782:Blood Donors; D001938:Brazil; D006801:Humans; D009154:Mutation; D010641:Phenotype
chemical_list: D000017:ABO Blood-Group System