Gastrointestinal regulatory peptides: radioimmunoassay and biological activity.
D005749:Gastric Inhibitory Polypeptide / Q000502:physiology; D005768:Gastrointestinal Hormones / Q000097:blood / Q000502:physiology*; D006801:Humans; D011863:Radioimmunoassay; D014660:Vasoactive Intestinal Peptide / Q000502:physiology
D005768:Gastrointestinal Hormones; D014660:Vasoactive Intestinal Peptide; D005749:Gastric Inhibitory Polypeptide