Should We Still Use Red Flags in the Diagnosis of Low Back Pain?: Commentary on an article by Ajay Premkumar, MD, MPH, et al.: "Red Flags for Low Back Pain Are Not Always Really Red. A Prospective Evaluation of the Clinical Utility of Commonly Used Screening Questions for Low Back Pain"
J Bone Joint Surg Am. 2018 Mar 7;100(5):e31.