RT Journal Article SR Electronic T1 Prevalence of multiple sclerosis JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1170 OP 1170 VO 127 IS 12 A1 A. D. Sadovnick A1 V. P. Sweeney YR 1982 UL http://www.cmaj.ca/content/127/12/1170.abstract