title: Hearing levels of railroad trainmen.
authors.forename: K D
authors.initials: KD
authors.lastname: Kryter
mesh_terms: D000375:Aging / Q000502:physiology; D001299:Audiometry / Q000379:methods; D006317:Hearing Loss, Noise-Induced / Q000175:diagnosis / Q000209:etiology / Q000503:physiopathology*; D006801:Humans; D008297:Male; D009624:Noise, Transportation / Q000009:adverse effects; D009784:Occupational Diseases / Q000175:diagnosis / Q000209:etiology / Q000503:physiopathology*; D011890:Railroads