https://www.selleckchem.com/pr....oducts/abbv-cls-484.
(http//www.researchprotocols.org), 17.03.2020.BACKGROUND Survey-based studies are frequently used to describe the economic impact of multiple sclerosis (MS). However, there is no validated health resource survey available, preventing comparison of study results and meaningful conclusions regarding the efficiency of long-term treatments. OBJECTIVE The aim of this study was to develop and validate a tablet- and paper-based MS health resource utilization survey. METHODS We developed and validated the Multiple Sclerosis Health Resource
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