Using pain relief patches safely.
D000701:Analgesics, Opioid / Q000008:administration & dosage / Q000627:therapeutic use; D016503:Drug Delivery Systems / Q000379:methods*; D005283:Fentanyl / Q000008:administration & dosage / Q000627:therapeutic use; D006801:Humans; D010146:Pain / Q000188:drug therapy*; D012449:Safety
D000701:Analgesics, Opioid; D005283:Fentanyl