The pressence of macromolecular vasoactive intestinal polypeptide (VIP) in VIP-producing tumors.
D001923:Brain Chemistry; D002846:Chromatography, Affinity; D002850:Chromatography, Gel; D003106:Colon / Q000032:analysis; D003967:Diarrhea / Q000378:metabolism; D005768:Gastrointestinal Hormones / Q000032:analysis*; D006801:Humans; D008970:Molecular Weight; D010179:Pancreas / Q000032:analysis; D010190:Pancreatic Neoplasms / Q000032:analysis*; D011863:Radioimmunoassay; D014660:Vasoactive Intestinal Peptide / Q000032:analysis*
D005768:Gastrointestinal Hormones; D014660:Vasoactive Intestinal Peptide