RT Journal Article SR Electronic T1 Explaining pragmatic trials to pragmatic policy-makers JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1001 OP 1003 DO 10.1503/cmaj.090076 VO 180 IS 10 A1 Maclure, Malcolm YR 2009 UL http://www.cmaj.ca/content/180/10/1001.abstract