RT Journal Article SR Electronic T1 Inconsistencies in the 2017 Canadian Guideline for Opioids for Chronic Noncancer Pain JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E1233 OP E1233 DO 10.1503/cmaj.733244 VO 189 IS 39 A1 Erica L. Weinberg A1 Philip A. Baer YR 2017 UL http://www.cmaj.ca/content/189/39/E1233.abstract AB