RT Journal Article SR Electronic T1 E-cigarette debate divides regulators and consumers JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E169 OP E170 DO 10.1503/cmaj.109-4705 VO 186 IS 5 A1 Adam Miller YR 2014 UL http://www.cmaj.ca/content/186/5/E169.abstract AB