title: [Prognosis in chronic backache not as bad as assumed up to now].
authors.affiliation: Horten-Zentrum für praxisorientierte Forschung und Wissenstransfer, Bolleystrasse 40, Zürich. johann.steurer@usz.ch
authors.forename: J
authors.initials: J
authors.lastname: Steurer
mesh_terms: D000293:Adolescent; D000328:Adult; D001416:Back Pain / Q000175:diagnosis*; D002908:Chronic Disease; D015331:Cohort Studies; D015444:Exercise; D005500:Follow-Up Studies; D006801:Humans; D017116:Low Back Pain / Q000175:diagnosis; D011379:Prognosis; D013997:Time Factors