title: [Collected knowledge about back pain and neck pain. What we know--and what we don't know].
authors: E
authors: E
authors: Jonsson
authors: A
authors: A
authors: Nachemson
mesh_terms: D000208:Acute Disease; D001416:Back Pain / Q000175:diagnosis / Q000517:prevention & control / Q000523:psychology / Q000628:therapy; D002908:Chronic Disease; D019317:Evidence-Based Medicine; D006801:Humans; D017116:Low Back Pain / Q000175:diagnosis / Q000517:prevention & control / Q000523:psychology / Q000628:therapy; D019547:Neck Pain / Q000175:diagnosis / Q000517:prevention & control / Q000523:psychology / Q000628:therapy; D017410:Practice Guidelines as Topic; D011602:Psychophysiologic Disorders / Q000175:diagnosis / Q000517:prevention & control / Q000628:therapy; D016032:Randomized Controlled Trials as Topic; D012959:Socioeconomic Factors