title: Author response.
authors.forename: Gary M
authors.initials: GM
authors.lastname: Franklin
mesh_terms: D000701:Analgesics, Opioid / Q000009:adverse effects* / Q000627:therapeutic use*; D000818:Animals; D059350:Chronic Pain / Q000188:drug therapy*; D006801:Humans; D059408:Pain Management
chemical_list: D000701:Analgesics, Opioid