Auditory changes in the aged: a follow-up study.
D000368:Aged; D000375:Aging; D001299:Audiometry; D001309:Auditory Threshold; D044383:Black People; D003638:Deafness; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D044469:Racial Groups; D012737:Sex Factors; D044465:White People