title: A comparative electron microscopical study of beta cell islet tumours in man and the dog.
mesh_terms: D007516:Adenoma, Islet Cell / Q000473:pathology* / Q000662:veterinary; D000818:Animals; D004283:Dog Diseases / Q000473:pathology*; D004285:Dogs; D005260:Female; D006801:Humans; D008854:Microscopy, Electron; D008875:Middle Aged; D010190:Pancreatic Neoplasms / Q000473:pathology* / Q000662:veterinary; D013194:Staining and Labeling