TY - JOUR T1 - Intention-to-treat and per-protocol analysis JF - Canadian Medical Association Journal JO - CMAJ SP - 696 LP - 696 DO - 10.1503/cmaj.111-2034 VL - 183 IS - 6 AU - Kathy Boutis AU - Andrew Willan Y1 - 2011/04/05 UR - http://www.cmaj.ca/content/183/6/696.2.abstract ER -