Screening audiometry: the use of speech frequency averaging in a multiphasic health maintenance project.
D000328:Adult; D000368:Aged; D001299:Audiometry; D005260:Female; D006320:Hearing Tests; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D009098:Multiphasic Screening; D013016:Sound; D013060:Speech