title: Complexities of prescribing.
authors.forename: John L
authors.initials: JL
authors.lastname: de Couto
mesh_terms: D000701:Analgesics, Opioid / Q000627:therapeutic use*; D002170:Canada; D059350:Chronic Pain / Q000188:drug therapy*; D006801:Humans; D010818:Practice Patterns, Physicians'
chemical_list: D000701:Analgesics, Opioid