Incidence and patterns of hearing loss among an adult mentally retarded population.
D000328:Adult; D001699:Biometry; D003638:Deafness / Q000706:statistics & numerical data*; D034381:Hearing Loss; D006801:Humans; D015994:Incidence; D008607:Intellectual Disability / Q000150:complications*; D019989:Persons with Intellectual Disabilities
DEAFNESS/statistics; MENTAL DEFICIENCY/complications