title: [New developments in hearing aids].
authors.forename: P
authors.initials: P
authors.lastname: Plath
mesh_terms: D012048:Correction of Hearing Impairment / Q000191:economics / Q000639:trends; D005858:Germany; D006310:Hearing Aids / Q000191:economics / Q000706:statistics & numerical data / Q000639:trends*; D006801:Humans