title: Radioimmunoassay of vasoactive intestinal polypeptide (VIP) in plasma.
mesh_terms: D005768:Gastrointestinal Hormones / Q000032:analysis*; D006801:Humans; D011863:Radioimmunoassay / Q000379:methods*; D014660:Vasoactive Intestinal Peptide / Q000032:analysis*
chemical_list: D005768:Gastrointestinal Hormones; D014660:Vasoactive Intestinal Peptide