title: The concept of "confirmatory testing" of donors for ABO and RhD.
authors.affiliation: New York Blood Center, New York, New York.
authors.forename: Connie M
authors.initials: CM
authors.lastname: Westhoff
mesh_terms: D000017:ABO Blood-Group System / Q000032:analysis / Q000235:genetics*; D001782:Blood Donors; D001788:Blood Grouping and Crossmatching / Q000379:methods / Q000592:standards; D005189:False Positive Reactions; D006801:Humans; D025202:Molecular Diagnostic Techniques; D012204:Rh-Hr Blood-Group System / Q000032:analysis / Q000235:genetics*
chemical_list: D000017:ABO Blood-Group System; D012204:Rh-Hr Blood-Group System; C026410:Rho(D) antigen