An investigation of hearing loss in mentally retarded children and adults.
D000328:Adult; D002648:Child; D003638:Deafness; D006311:Hearing Disorders; D034381:Hearing Loss; D006801:Humans; D007223:Infant; D008607:Intellectual Disability / Q000150:complications*; D019989:Persons with Intellectual Disabilities
HEARING DISORDERS/in infant and child; MENTAL DEFICIENCY/complications