title: [Reply to Johan Hambraeus: Evidence needed for diagnosing the causes of lumbago].
authors.forename: Tommy
authors.initials: T
authors.lastname: Hansson
authors.affiliation: Sahlgrenska Akademin, Göteborgs universitet - Avd för ortopedi Göteborg, Sweden Univ of Gothenburg - Dept of Orthopaedics Gothenburg, Sweden.
authors.forename: Björn
authors.initials: B
authors.lastname: Rydevik
mesh_terms: D006801:Humans; D017116:Low Back Pain / Q000175:diagnosis*