Auditory and subjective effects of airborne noise from industrial ultrasonic sources.
D001299:Audiometry; D001309:Auditory Threshold; D006317:Hearing Loss, Noise-Induced / Q000209:etiology*; D006801:Humans; D009784:Occupational Diseases / Q000209:etiology*; D011312:Pressure; D014465:Ultrasonics / Q000009:adverse effects*