作者: D. W. GRAVENDEEL , R. PLOMP
DOI: 10.1001/ARCHOTOL.1960.03770040056008
关键词: Audiometer 、 Medicine 、 Hearing loss 、 Audiometry 、 Audiogram 、 Audiology 、 Noise
摘要: … found 52 permanent dipshaped hearing losses between 30 and 109 db. How these dips are distributed accord¬ ing to the extent of the maximal hearing loss is rendered in Table 1. …