Clinical trial of In-the-Ear hearing aids. A comparison between In-the-Ear and Behind-the-Ear hearing aids.
D000328:Adult; D000368:Aged; D001290:Attitude; D001309:Auditory Threshold; D002986:Clinical Trials as Topic; D005246:Feedback; D005260:Female; D006310:Hearing Aids; D006801:Humans; D008297:Male; D008875:Middle Aged; D013067:Speech Perception