Symposium: conservation of hearing in children.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005381:Financing, Organized; D006311:Hearing Disorders / Q000453:epidemiology / Q000517:prevention & control*; D006801:Humans; D010036:Otolaryngology; D012494:Sampling Studies; D012955:Societies, Medical; D014481:United States