title: Pitch and quality characteristics of mutational voice disorders before and after therapy.
authors.forename: B
authors.initials: B
authors.lastname: Hammarberg
mesh_terms: D000293:Adolescent; D000328:Adult; D005162:Factitious Disorders / Q000503:physiopathology / Q000628:therapy; D006801:Humans; D008297:Male; D010897:Pitch Discrimination / Q000502:physiology*; D012189:Retrospective Studies; D014831:Voice; D014832:Voice Disorders / Q000503:physiopathology* / Q000628:therapy; D014833:Voice Quality; D014834:Voice Training