RT Journal Article SR Electronic T1 Clarifying the assistance provided by the CMPA JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1927 OP 1927 DO 10.1503/cmaj.112-2081 VO 184 IS 17 A1 Patrick J. Ceresia YR 2012 UL http://www.cmaj.ca/content/184/17/1927.abstract