[Hardness of hearing should be treated at the latest from the age of three months. Babies who don't hear don't learn to speak].
Berghaus
Alexander
A
Klinik und Poliklinik für Hals-Nasen-Ohren-heilkunde der LMU, München.
D002675:Child, Preschool; D003430:Cross-Sectional Studies; D003638:Deafness / Q000453:epidemiology / Q000534:rehabilitation*; D006310:Hearing Aids; D034381:Hearing Loss / Q000453:epidemiology / Q000534:rehabilitation*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007805:Language Development Disorders / Q000209:etiology / Q000517:prevention & control*