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Original Article

Evaluating Equivalency Between Response Systems

Application of the Rasch Model to a 3-Level and 5-Level EQ-5D

Pickard, A Simon PhD*†; Kohlmann, Thomas PhD; Janssen, Mathieu F. MS§; Bonsel, Gouke MD, PhD§; Rosenbloom, Sarah PhD; Cella, David PhD

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doi: 10.1097/MLR.0b013e31805371aa
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Abstract

© 2007 Lippincott Williams & Wilkins, Inc.