APUdomas and the gastro-intestinal tract.
D001079:Apudoma / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005770:Gastrointestinal Neoplasms / Q000175:diagnosis*; D006729:Hormones, Ectopic / Q000378:metabolism; D006801:Humans
D006729:Hormones, Ectopic