TY - GEN AU - Fujiu,M AU - Hibi,S R AU - Hirano,M TI - An improved technique for measurement of the relative noise level using a sound spectrograph SN - 0015-5705 PY - 1988///1123 KW - Adult KW - Female KW - Filtration KW - Humans KW - Male KW - Noise KW - Sound Spectrography KW - methods KW - Voice N1 - Publication Type: Journal Article UR - https://doi.org/10.1159/000265884 ER -