title: ABO and Rho(D) blood types in patients with multiple primary cancers.
mesh_terms: D000017:ABO Blood-Group System / Q000032:analysis*; D006801:Humans; D008910:Minnesota; D009369:Neoplasms / Q000097:blood*; D012189:Retrospective Studies; D012204:Rh-Hr Blood-Group System / Q000032:analysis*
chemical_list: D000017:ABO Blood-Group System; D012204:Rh-Hr Blood-Group System