[Hypoglycemia in Langerhans' island tumor--our cases and statistical and surgical observation].
D007516:Adenoma, Islet Cell / Q000150:complications*; D000368:Aged; D005260:Female; D006801:Humans; D007003:Hypoglycemia / Q000209:etiology*; D010190:Pancreatic Neoplasms / Q000150:complications*