RT Journal Article SR Electronic T1 Real-world data really matter JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E1293 OP E1293 DO 10.1503/cmaj.733383 VO 189 IS 41 A1 Laura McDonald A1 Sreeram V. Ramagopalan A1 Michael Lees YR 2017 UL http://www.cmaj.ca/content/189/41/E1293.abstract AB