title: [Methodological problems of questionnaire studies 2].
authors.forename: John
authors.initials: J
authors.lastname: Brodersen
authors.forename: Hanne
authors.initials: H
authors.lastname: Thorsen
mesh_terms: D006801:Humans; D008722:Methods; D010506:Periodicals as Topic; D011795:Surveys and Questionnaires / Q000592:standards
vernacular_title: Metodeproblemer ved spørgeskemaundersøgelser 2.