title: Ultrastructure of multiple pancreatic tumors in a case of Zollinger-Ellison syndrome.
mesh_terms: D007516:Adenoma, Islet Cell / Q000473:pathology*; D000328:Adult; D003594:Cytoplasmic Granules; D005260:Female; D006801:Humans; D007515:Islets of Langerhans / Q000473:pathology*; D008854:Microscopy, Electron; D009378:Neoplasms, Multiple Primary / Q000473:pathology*; D012270:Ribosomes; D015043:Zollinger-Ellison Syndrome / Q000473:pathology*