title: [Evidence-based medicine, health-related quality of life, and outcomes research: utility and necessity of validated survey instruments].
authors.affiliation: Klinik für HNO-Heilkunde, Kopf-/Hals- und plastische Gesichtschirurgie, HELIOS Klinikum Borna, Deutschland. thomas.wilhelm@helios-kliniken.de
authors.forename: T
authors.initials: T
authors.lastname: Wilhelm
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D017063:Outcome Assessment, Health Care / Q000379:methods* / Q000706:statistics & numerical data*; D011788:Quality of Life; D011795:Surveys and Questionnaires; D014068:Tonsillectomy / Q000706:statistics & numerical data*; D014069:Tonsillitis / Q000175:diagnosis* / Q000601:surgery*