title: [The studies decide the evidence].
authors.forename: Clas
authors.initials: C
authors.lastname: Mannheimer
authors.forename: Susanna
authors.initials: S
authors.lastname: Axelsson
mesh_terms: D001416:Back Pain / Q000628:therapy; D002908:Chronic Disease; D002986:Clinical Trials as Topic; D019317:Evidence-Based Medicine; D006801:Humans