TY - JOUR T1 - Why didn’t it work? JF - Canadian Medical Association Journal JO - CMAJ SP - 175 LP - 175-a DO - 10.1503/cmaj.110-2020 VL - 182 IS - 2 AU - Noah M. Ivers Y1 - 2010/02/09 UR - http://www.cmaj.ca/content/182/2/175.2.abstract ER -