title: Chronic low back pain.
authors.affiliation: VU University Medical Centre, Amsterdam, The Netherlands.
authors.forename: Maurits
authors.initials: M
authors.lastname: van Tulder
authors.forename: Bart
authors.initials: B
authors.lastname: Koes
mesh_terms: D002908:Chronic Disease; D006801:Humans; D015994:Incidence; D017116:Low Back Pain / Q000453:epidemiology / Q000209:etiology / Q000628:therapy*; D011379:Prognosis