title: Double standard for double ABO grouping?
authors: Paul D
authors: PD
authors: Mintz
authors: Walter H
authors: WH
authors: Dzik
mesh_terms: D000017:ABO Blood-Group System; D001788:Blood Grouping and Crossmatching / Q000379:methods*; D001800:Blood Specimen Collection / Q000379:methods*; D001803:Blood Transfusion; D006801:Humans; D010355:Patient Identification Systems / Q000379:methods; D012204:Rh-Hr Blood-Group System
chemical_list: D000017:ABO Blood-Group System; D012204:Rh-Hr Blood-Group System