Al hamadani H. clinical prognostic factors after the first attack of early onset multiple sclerosis in iraq. J Fac Med Bagdad [Internet]. 2Jan.2012 [cited 2Dec.2019];53(4):358-61. Available from: http://iqjmc.uobaghdad.edu.iq/index.php/19JFacMedBaghdad36/article/view/790