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Assessment of health-related quality of life in arthritis: conceptualization and development of five item banks using item response theory

Jacek A Kopec email, Eric C Sayre email, Aileen M Davis email, Elizabeth M Badley email, Michal Abrahamowicz email, Lesley Sherlock email, J Ivan Williams email, Aslam H Anis email and John M Esdaile email

Health and Quality of Life Outcomes 2006, 4:33doi:10.1186/1477-7525-4-33

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