TY - JOUR T1 - Patient engagement or social media marketing? JF - Canadian Medical Association Journal JO - CMAJ SP - E237 LP - E238 DO - 10.1503/cmaj.109-4739 VL - 186 IS - 8 AU - Roger Collier Y1 - 2014/05/13 UR - http://www.cmaj.ca/content/186/8/E237.abstract N2 - ER -