Further observations on patients with malignant carcinoid.
D002276:Carcinoid Tumor / Q000097:blood*; D041981:Gastrointestinal Tract; D009369:Neoplasms; D012701:Serotonin / Q000378:metabolism*
D012701:Serotonin
ARGENTAFFINOMA/blood in; GASTROINTESTINAL SYSTEM/neoplasms; SEROTONIN/metabolism