QL4 THE CONTENT VALIDITY OF CLINICIAN DERIVED PATIENT REPORTED OUTCOMES (PRO) MEASURES- THE ROLAND MORRIS DISABILITY QUESTIONNAIRE
Abstract
Authors
N Horowicz-Mehler CJ Evans L Abetz C West K Copley-Merriman
N Horowicz-Mehler CJ Evans L Abetz C West K Copley-Merriman
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