title: Bone-conduction threshold changes at 4,000 Hz in middle-ear surgery.
mesh_terms: D000328:Adult; D001301:Audiometry, Pure-Tone; D001844:Bone Conduction; D004432:Ear, Middle / Q000503:physiopathology*; D005260:Female; D006801:Humans; D008297:Male; D008416:Mastoid / Q000601:surgery; D014433:Tympanoplasty