title: [Testing of hearing aids--the perfect apparatus cannot be found].
authors.forename: E
authors.initials: E
authors.lastname: Jansson
authors.forename: G
authors.initials: G
authors.lastname: Devert
mesh_terms: D012048:Correction of Hearing Impairment; D005500:Follow-Up Studies; D006310:Hearing Aids / Q000592:standards*; D006320:Hearing Tests; D006801:Humans; D011474:Prosthesis Design
vernacular_title: Utprovning av hörselhjälpmedel--den perfekta apparaten finns inte.