title: ABO blood groups and polyps of the colon.
mesh_terms: D000017:ABO Blood-Group System; D003110:Colonic Neoplasms / Q000097:blood*; D003537:Cystadenoma / Q000097:blood; D006801:Humans; D011127:Polyps / Q000097:blood*
chemical_list: D000017:ABO Blood-Group System