title: [Pathophysiological study of severe hearing disorders in children and the countermeasures].
authors.forename: Harumi
authors.initials: H
authors.lastname: Arao
mesh_terms: D002648:Child; D002675:Child, Preschool; D003054:Cochlear Implants; D003376:Counseling; D006310:Hearing Aids; D006319:Hearing Loss, Sensorineural / Q000209:etiology* / Q000628:therapy*; D006801:Humans; D007223:Infant; D012307:Risk Factors; D012813:Sign Language