Early Identification and Management of Psychological Risk Factors (“Yellow Flags”) in Patients With Low Back Pain: A Reappraisal
Michael K. Nicholas, Steven J. Linton, Paul J. Watson, Chris J. Main, the “Decade of the Flags” Working Group
Demo Journal of Physical Therapy May 2011, 91 (5) 737-753; DOI: 10.demo/ptj.20100224