[Reliably pain free with a new fentanyl patch].
D000279:Administration, Cutaneous; D000701:Analgesics, Opioid / Q000008:administration & dosage*; D002908:Chronic Disease; D005283:Fentanyl / Q000008:administration & dosage*; D006801:Humans; D010146:Pain / Q000188:drug therapy*
D000701:Analgesics, Opioid; D005283:Fentanyl