PubMed · 2006 · 102 citations · 20 references
Open access
MedicineOrthopaedic SurgeryOrthopedic SurgeryOrthopedicsPain ManagementPain MedicineLow Back Pain RehabilitationPain AssessmentPain MeasurementPain OutcomesPhysical Therapy For PainSacroiliac Joint EvaluationAcute Low Back PainChronic Low Back PainClinical Practice Guidelines ImplementationPain ScoresSpinal Pain AssessmentSpinal Tenderness AssessmentSubacute Low Back Pain
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Nonorganic Physical Signs in Low-Back Pain
Gordon Waddell, John A. McCulloch, E G Kummel et al. · Spine · 1980 · 836 citations