title: [Self-help groups are effective].
authors.forename: Odd Arne
authors.initials: OA
authors.lastname: Kogstad
mesh_terms: D002908:Chronic Disease / Q000523:psychology / Q000628:therapy*; D005356:Fibromyalgia / Q000523:psychology / Q000628:therapy; D006801:Humans; D012657:Self-Help Groups; D016896:Treatment Outcome