[THE DEAF AND HARD-OF-HEARING].
D003638:Deafness; D004493:Education; D006310:Hearing Aids; D034381:Hearing Loss; D006801:Humans; D013514:Surgical Procedures, Operative
DEAF-MUTISM; DEAFNESS; EDUCATION; HEARING AIDS; SURGERY, OPERATIVE
SORDOS Y DUROS DE OIDO.