RT Journal Article SR Electronic T1 Youth engagement in the YouthCan IMPACT trial JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP S10 OP S12 DO 10.1503/cmaj.180328 VO 190 IS Suppl A1 Joanna L. Henderson A1 Lisa D. Hawke A1 Jacqueline Relihan YR 2018 UL http://www.cmaj.ca/content/190/supplement/S10.abstract