RT Journal Article SR Electronic T1 Author Response JF Demo Journal of Physical Therapy FD HighWire Press SP 735 OP 736 DO 10.demo/ptj.20100109.ar VO 91 IS 5 A1 Fritz, Julie M. A1 Beneciuk, Jason M. A1 George, Steven Z. YR 2011 UL http://demo.highwire.org/content/91/5/735.abstract AB