title: Factors involved in progression to chronicity of mechanical low back pain.
authors.forename: Jean-Pierre
authors.initials: JP
authors.lastname: Valat
mesh_terms: D002908:Chronic Disease; D018450:Disease Progression; D042241:Early Diagnosis; D006801:Humans; D017116:Low Back Pain / Q000175:diagnosis / Q000453:epidemiology* / Q000209:etiology; D009784:Occupational Diseases; D012307:Risk Factors