PT - JOURNAL ARTICLE AU - Shannon Lough TI - Need to define patient engagement in research AID - 10.1503/cmaj.109-5109 DP - 2015 Sep 08 TA - Canadian Medical Association Journal PG - E385--E386 VI - 187 IP - 12 4099 - http://www.cmaj.ca/content/187/12/E385.short 4100 - http://www.cmaj.ca/content/187/12/E385.full SO - CMAJ2015 Sep 08; 187