Hupperts, Raymond et al "High dose cholecalciferol (vitamin D3) oil as add-on therapy in subjects with relapsing-remitting multiple sclerosis (RRMS) receiving subcutaneous interferon ╬▓-1a (scIFN╬▓-1a) (S44.005)." Neurology 88.16 Supplement (2017): S44.005. Web. 22 May. 2022.