216 The Impact of Routine ESAS Use on Emergency Department Visits and Hospitalizations: A Population-Based Retrospective Matched Cohort Study. (October 2019) - Barbera, Lisa; Sutradhar, Rinku; Earle, Craig; Mittman, Nicole; Seow, Hsien Yeang; Howell, Doris; Li, Qing; Thiruchelvam, Deva