title: Contracts for opioid administration for the management of chronic pain: a reappraisal.
authors.forename: M C
authors.initials: MC
authors.lastname: Gitlin
mesh_terms: D000701:Analgesics, Opioid / Q000627:therapeutic use*; D002908:Chronic Disease; D017723:Drug Utilization Review; D006801:Humans; D010146:Pain / Q000188:drug therapy*; D017410:Practice Guidelines as Topic
chemical_list: D000701:Analgesics, Opioid