RT Journal Article SR Electronic T1 Canadian trials to examine “liberation procedure” for multiple sclerosis JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E403 OP E404 DO 10.1503/cmaj.109-3251 VO 182 IS 9 A1 Rynor, Becky YR 2010 UL http://www.cmaj.ca/content/182/9/E403.abstract