CEA serum values controversy.
D002272:Carcinoembryonic Antigen / Q000032:analysis*; D002277:Carcinoma / Q000032:analysis; D003110:Colonic Neoplasms / Q000032:analysis; D006801:Humans; D012004:Rectal Neoplasms / Q000032:analysis
D002272:Carcinoembryonic Antigen