RT Journal Article SR Electronic T1 Multiple sclerosis JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP e138 OP e139 DO 10.7861/clinmed.Let.20.5.7 VO 20 IS 5 A1 Shahid A Kausar YR 2020 UL http://www.rcpjournals.org/content/20/5/e138.3.abstract