[Etiology of hearing loss in children in Japan].
D002648:Child; D002675:Child, Preschool; D005260:Female; D005334:Fever / Q000150:complications; D006311:Hearing Disorders / Q000209:etiology* / Q000235:genetics; D006801:Humans; D007223:Infant; D007564:Japan; D008297:Male; D007744:Obstetric Labor Complications; D011247:Pregnancy; D011248:Pregnancy Complications