title: [Incidence of weak D antigens (Du) of the Rh system in blood donors].
mesh_terms: D000941:Antigens / Q000032:analysis*; D001782:Blood Donors; D006801:Humans; D010641:Phenotype; D011044:Poland; D012204:Rh-Hr Blood-Group System; D012494:Sampling Studies
chemical_list: D000941:Antigens; D012204:Rh-Hr Blood-Group System
vernacular_title: Czestość wystepowania u krwiodawców słabych antygenów D (Du) układu Rh.