RT Journal Article SR Electronic T1 Item Response Theory Analysis of the Outpatient Physical Therapy Improvement in Movement Assessment Log (OPTIMAL) JF Demo Journal of Physical Therapy FD HighWire Press SP 661 OP 671 DO 10.demo/ptj.20120120 VO 93 IS 5 A1 Elston, Beth A1 Goldstein, Marc A1 Makambi, Kepher H. YR 2013 UL http://demo.highwire.org/content/93/5/661.abstract AB Markup server — Error Not Found The page you were trying to reach could not be found. Please check the address for the page you were trying to reach. If you believe you have reached this page in error, you may contact us with any questions.