title: Comment: therapy switching in patients receiving long-acting opioids.
authors.forename: Richard
authors.initials: R
authors.lastname: White
mesh_terms: D000701:Analgesics, Opioid / Q000008:administration & dosage / Q000191:economics / Q000627:therapeutic use*; D002908:Chronic Disease; D003692:Delayed-Action Preparations; D017048:Health Care Costs; D006801:Humans; D010146:Pain / Q000188:drug therapy*
chemical_list: D000701:Analgesics, Opioid; D003692:Delayed-Action Preparations