Chronic Pain in the Emergency Department: A Pilot Mixed-Methods Cross-Sectional Study Examining Patient Characteristics and Reasons for Presentations oleh Patricia A. Poulin, Jennifer Nelli, Steven Tremblay, Rebecca Small, Myka B. Caluyong, Jeffrey Freeman, Heather Romanow, Yehudis Stokes, Tia Carpino, Amanda Carson, Yaadwinder Shergill, Ian G. Stiell, Monica Taljaard, Howard Nathan, Catherine E. Smyth