title: [Pain--difficult for both laymen and professionals].
authors.forename: G
authors.initials: G
authors.lastname: Kvarstein
authors.forename: T I
authors.initials: TI
authors.lastname: Tønnessen
mesh_terms: D002908:Chronic Disease; D002983:Clinical Competence; D006801:Humans; D009664:Norway; D018710:Pain Clinics / Q000592:standards; D059408:Pain Management