[HEARING TESTS OF MECHANICAL ENGINEERS IN THE MERCHANT MARINE].
D003638:Deafness; D006320:Hearing Tests; D006801:Humans; D009326:Naval Medicine; D009784:Occupational Diseases; D013548:Sweden
DEAFNESS; HEARING TESTS; NAVAL MEDICINE; OCCUPATIONAL DISEASES; SWEDEN
HOERSELUNDERSOEKNING AV MASKINBEFAEL I HANDELSFLOTTAN.