Drill-generated noise levels in mastoid surgery.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000388:Air; D001844:Bone Conduction; D005260:Female; D006801:Humans; D008297:Male; D008416:Mastoid / Q000601:surgery*; D008875:Middle Aged; D009622:Noise; D013523:Surgical Equipment; D013997:Time Factors