title: Heterogeneity of anti-U.
authors.forename: P D
authors.initials: PD
authors.lastname: Issitt
mesh_terms: D001789:Blood Group Antigens / Q000235:genetics*; D006801:Humans; D007518:Isoantibodies / Q000235:genetics*; D010641:Phenotype
chemical_list: D001789:Blood Group Antigens; D007518:Isoantibodies