PT - JOURNAL ARTICLE AU - Elston, Beth AU - Goldstein, Marc AU - Makambi, Kepher H. TI - Item Response Theory Analysis of the Outpatient Physical Therapy Improvement in Movement Assessment Log (OPTIMAL) AID - 10.demo/ptj.20120120 DP - 2013 May 01 TA - Demo Journal of Physical Therapy PG - 661--671 VI - 93 IP - 5 4099 - http://demo.highwire.org/content/93/5/661.short 4100 - http://demo.highwire.org/content/93/5/661.full 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.