Multiple Sclerosis Mendelian randomization in multiple sclerosis: A causal role for vitamin D and obesity? By Adil Harroud On Jan 16, 2018 0 Share Multiple Sclerosis Journal, Volume 24, Issue 1, Page 80-85, January 2018. Read More... msmultiple sclerosisprimary progressiverrmssecondary progressive 0 Share FacebookTwitterGoogle+ReddItWhatsAppPinterestEmail