Directionality in the association between lumbar degenerative changes and back pain.
Rossignol
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D001416:Back Pain / Q000453:epidemiology / Q000209:etiology* / Q000503:physiopathology; D015984:Causality; D003430:Cross-Sectional Studies; D006801:Humans; D008159:Lumbar Vertebrae / Q000000981:diagnostic imaging* / Q000503:physiopathology; D011859:Radiography; D012107:Research Design / Q000592:standards; D012585:Sciatica / Q000453:epidemiology / Q000209:etiology* / Q000503:physiopathology