title: Primary hyperparathyroidism as observed over a 22-year period.
mesh_terms: D000236:Adenoma / Q000175:diagnosis / Q000473:pathology*; D001706:Biopsy; D003937:Diagnosis, Differential; D005500:Follow-Up Studies; D006801:Humans; D006961:Hyperparathyroidism / Q000175:diagnosis / Q000473:pathology*; D008867:Microtomy; D009378:Neoplasms, Multiple Primary; D010280:Parathyroid Glands / Q000473:pathology; D010282:Parathyroid Neoplasms / Q000175:diagnosis / Q000473:pathology*