%0 Journal Article %T Is It Time to Revise the Classification of Geographical Distribution of Multiple Sclerosis? %A Mohammad Ali Sahraian %A Hossein Pakdaman %A Ali Amini Harandi %J Iranian Journal of Neurology %D 2012 %I Tehran University of Medical Sciences %K Multiple Sclerosis %K Prevalence %K Geographical Distribution %U http://ijnl.tums.ac.ir/index.php/ijnl/article/view/103/75