title: [Hearing impairment--improvement on the way].
authors: Hans H
authors: HH
authors: Elverland
mesh_terms: D000368:Aged; D000375:Aging; D002648:Child; D034381:Hearing Loss / Q000517:prevention & control*; D006317:Hearing Loss, Noise-Induced / Q000517:prevention & control*; D006801:Humans