RT Journal Article SR Electronic T1 Ad infinitum JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1019 OP 1019 DO 10.1503/cmaj.131853 VO 186 IS 13 A1 Malgorzata J.M. Nowaczyk YR 2014 UL http://www.cmaj.ca/content/186/13/1019.abstract AB