Snowmobile engine noise and hearing.
D000293:Adolescent; D000328:Adult; D001299:Audiometry; D001309:Auditory Threshold; D001336:Automobiles; D002648:Child; D003080:Cold Temperature; D006311:Hearing Disorders / Q000209:etiology; D006317:Hearing Loss, Noise-Induced / Q000209:etiology; D006801:Humans; D009622:Noise; D013178:Sports Medicine; D013997:Time Factors; D014887:Weather