title: Back pain: a multifaceted syndrome.
mesh_terms: D001416:Back Pain / Q000175:diagnosis / Q000209:etiology / Q000628:therapy; D003937:Diagnosis, Differential; D006801:Humans; D007403:Intervertebral Disc / Q000601:surgery; D007405:Intervertebral Disc Displacement / Q000601:surgery / Q000628:therapy; D008141:Lordosis / Q000150:complications / Q000628:therapy; D011187:Posture; D011312:Pressure