Citation: Hmm. Vandenhoogen et al., ON THE ACCURACY OF HISTORY, PHYSICAL-EXAMINATION, AND ERYTHROCYTE SEDIMENTATION-RATE IN DIAGNOSING LOW-BACK-PAIN IN GENERAL-PRACTICE - A CRITERIA-BASED REVIEW OF THE LITERATURE, Spine (Philadelphia, Pa. 1976), 20(3), 1995, pp. 318-327