Blood groups, sex, and frequency of colorectal carcinoma.
D000017:ABO Blood-Group System; D003110:Colonic Neoplasms / Q000097:blood*; D005260:Female; D006801:Humans; D007983:Lewis Blood Group Antigens; D008297:Male; D012004:Rectal Neoplasms / Q000097:blood*; D012737:Sex Factors
D000017:ABO Blood-Group System; D007983:Lewis Blood Group Antigens