RT Journal Article SR Electronic T1 AETIOLOGY OF MULTIPLE SCLEROSIS JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 250 OP 251 VO 27 IS 177 A1 B. James YR 1977 UL http://bjgp.org/content/27/177/250.4.abstract AB