The frequency and geographic distribution of multiple sclerosis as indicated by mortality statistics and morbidity surveys in the United States and Canada.
D001699:Biometry; D002170:Canada; D003625:Data Collection; D006801:Humans; D009017:Morbidity; D009103:Multiple Sclerosis / Q000453:epidemiology* / Q000706:statistics & numerical data*; D014481:United States
MULTIPLE SCLEROSIS/epidemiology and statistics