[ON CONSTRUCTION OF SOUNDPROOF CHAMBERS].
D001299:Audiometry; D006320:Hearing Tests; D006749:Hospital Design and Construction; D006752:Hospital Planning; D009622:Noise
AUDIOMETRY; HEARING TESTS; HOSPITAL PLANNING AND CONSTRUCTION; NOISE
K VOPROSU O STROITEL'STVE ZVUKOIZOLIRUIUSHCHIKH KAMER.