RT Journal Article SR Electronic T1 Should we prescribe opioids for chronic noncancer pain? JF Canadian Family Physician JO Can Fam Physician FD The College of Family Physicians of Canada SP 864 OP 864 VO 57 IS 8 A1 Roger Ladouceur YR 2011 UL http://www.cfp.ca/content/57/8/864.abstract AB