TY - JOUR T1 - Tramadol JF - Canadian Medical Association Journal JO - CMAJ SP - E352 LP - E352 DO - 10.1503/cmaj.121592 VL - 185 IS - 8 AU - James W.S. Young AU - David N. Juurlink Y1 - 2013/05/14 UR - http://www.cmaj.ca/content/185/8/E352.abstract N2 - ER -