[ON THE ACTUAL CONDITIONS IN INDUSTRIAL NOISE IN REFERENCE TO ITS EFFECTS ON OCCUPATIONAL DEAFNESS IN THE JAPANESE NATIONAL RAILWAYS WORKS, AND THE PERMISSIBLE LIMIT OF CODE NUMBERS FOR NOISE TOLERANCE].
D001299:Audiometry; D006317:Hearing Loss, Noise-Induced; D006801:Humans; D007221:Industry; D007564:Japan; D009622:Noise; D009784:Occupational Diseases; D011890:Railroads; D014937:Work
ACOUSTIC TRAUMA; AUDIOMETRY; JAPAN; NOISE; RAILROADS