Letter: Carcinoembryonic antigen (CEA).
D002272:Carcinoembryonic Antigen / Q000032:analysis; D005189:False Positive Reactions; D005770:Gastrointestinal Neoplasms / Q000175:diagnosis / Q000276:immunology; D006801:Humans; D008297:Male; D008875:Middle Aged
D002272:Carcinoembryonic Antigen