title: [Back pain problems. Epidemiology].
authors.affiliation: Afdeling TH, H:S Rigshospitalet, København.
authors.forename: F
authors.initials: F
authors.lastname: Biering-Sørensen
authors.forename: M
authors.initials: M
authors.lastname: Kjøller
mesh_terms: D001416:Back Pain / Q000191:economics / Q000453:epidemiology* / Q000523:psychology; D017281:Cost of Illness; D003718:Denmark / Q000453:epidemiology; D006801:Humans; D007348:Insurance, Health; D012307:Risk Factors; D012959:Socioeconomic Factors