Letter: Carcinoembryonic antigen and carcinoid tumors.
D000328:Adult; D000368:Aged; D002272:Carcinoembryonic Antigen / Q000032:analysis*; D002276:Carcinoid Tumor / Q000276:immunology*; D005260:Female; D005770:Gastrointestinal Neoplasms / Q000276:immunology*; D006801:Humans; D008297:Male; D008875:Middle Aged
D002272:Carcinoembryonic Antigen