RT Journal Article SR Electronic T1 Adolescent smoking JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 657 OP 658 DO 10.1503/cmaj.1060179 VO 176 IS 5 A1 C. Jairaj Kumar A1 Arunachalam Kumar YR 2007 UL http://www.cmaj.ca/content/176/5/657.2.abstract