Riddle, Daniel L. Is this change real? interpreting patient outcomes in physical therapy / [electronic resource] : Daniel L. Riddle, Paul W. Stratford. - Philadelphia, PA : F.A. Davis Co., c2013. - xii, 180 p. : ill. ; 20 cm. ISBN: 9780803629578 (pbk.) Subjects--Topical Terms: Physical Therapy Modalities.Treatment Outcome. Dewey Class. No.: 615.8/2