Article
Five years before multiple sclerosis onset: Phenotyping the prodrome.
Multiple sclerosis (Houndmills, Basingstoke, England) - 1 Jul 2019
Wijnands José Ma, Zhu Feng, Kingwell Elaine, Zhao Yinshan, Ekuma Okechukwu, Lu Xinya, Evans Charity, Fisk John D, Marrie Ruth Ann, Tremlett Helen
Abstract excerpt
BACKGROUND: The multiple sclerosis (MS) prodrome is poorly characterized. OBJECTIVE: To phenotype the MS prodrome via health care encounters. METHODS: Using data from a population-based cohort study linking administrative and clinical data in four Canadian provinces, we compared physician and hospital encounters and prescriptions filled (via International Classification of Diseases chapters, physician specialty...
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