[Comparative studies of the damming effect and the wearing properties of hearing protective devices at the place of work].
D001299:Audiometry; D004430:Ear Protective Devices; D005859:Germany, East; D006317:Hearing Loss, Noise-Induced / Q000517:prevention & control; D006801:Humans; D009784:Occupational Diseases / Q000517:prevention & control; D011482:Protective Devices
Vergleichende Untersuchungen der Dämmwirkung und der Trageeigenschaften von Gehörschutzmitteln am Arbeitsplatz.