title: Pernicious hyperparathyroidism.
mesh_terms: D000208:Acute Disease; D000236:Adenoma; D000368:Aged; D005260:Female; D006801:Humans; D006961:Hyperparathyroidism / Q000378:metabolism / Q000401:mortality; D008297:Male; D008875:Middle Aged; D010282:Parathyroid Neoplasms