title: High incidence of nonfunctioning oncocytomas in pituitary adenomas (ultrastructural study).
mesh_terms: D000236:Adenoma / Q000648:ultrastructure*; D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D008928:Mitochondria / Q000648:ultrastructure; D009132:Muscles / Q000473:pathology; D010911:Pituitary Neoplasms / Q000648:ultrastructure*