title: Hyperparathyroidism.
mesh_terms: D001847:Bone Diseases / Q000209:etiology*; D006801:Humans; D006934:Hypercalcemia / Q000209:etiology; D006961:Hyperparathyroidism / Q000150:complications / Q000175:diagnosis* / Q000209:etiology; D008297:Male; D008875:Middle Aged