Hardness of hearing in school children: a study of schooling and the aetiology of hearing impairment among the pupils of a Danish hearing school now and 10 years ago.
D002648:Child; D006244:Hardness; D006309:Hearing; D006311:Hearing Disorders; D034381:Hearing Loss; D006320:Hearing Tests; D006801:Humans; D007223:Infant; D011680:Pupil
HEARING DISORDERS/in infant and child