title: The human pancreatic islet cells and their tumors. I. The normal pancreatic islets.
mesh_terms: D007516:Adenoma, Islet Cell / Q000473:pathology*; D001344:Autopsy; D001706:Biopsy; D006652:Histological Techniques; D006801:Humans; D007515:Islets of Langerhans / Q000166:cytology* / Q000473:pathology*; D008722:Methods; D008853:Microscopy; D008854:Microscopy, Electron; D015043:Zollinger-Ellison Syndrome / Q000473:pathology