TY - JOUR T1 - Absolute risk reduction a must JF - Canadian Medical Association Journal JO - CMAJ SP - 1517 LP - 1518 DO - 10.1503/cmaj.111-2067 VL - 183 IS - 13 AU - Robert Y. Shaw Y1 - 2011/09/20 UR - http://www.cmaj.ca/content/183/13/1517.4.abstract ER -