title: Treatment of chronic pain in older people: evidence-based choice of strong-acting opioids.
authors.forename: Joseph V
authors.initials: JV
authors.lastname: Pergolizzi
mesh_terms: D000701:Analgesics, Opioid / Q000494:pharmacology*; D059350:Chronic Pain / Q000188:drug therapy*; D019317:Evidence-Based Medicine / Q000379:methods*; D006801:Humans
chemical_list: D000701:Analgesics, Opioid