TY - JOUR T1 - Melatonin JF - Canadian Medical Association Journal JO - CMAJ SP - 1923 LP - 1923 DO - 10.1503/cmaj.111765 VL - 184 IS - 17 AU - Michael D. Carter AU - David N. Juurlink Y1 - 2012/11/20 UR - http://www.cmaj.ca/content/184/17/1923.abstract N2 - ER -