title: Heterogeneity of pancreatic polypeptide immunoreactivity in human plasma.
mesh_terms: D006801:Humans; D007328:Insulin; D010179:Pancreas / Q000502:physiology*; D010455:Peptides / Q000097:blood*; D011863:Radioimmunoassay
chemical_list: D007328:Insulin; D010455:Peptides