Warning on fentanyl patch.
D000279:Administration, Cutaneous; D000701:Analgesics, Opioid / Q000506:poisoning*; D002423:Cause of Death; D005283:Fentanyl / Q000506:poisoning*; D006801:Humans; D009294:Narcotics / Q000506:poisoning*
D000701:Analgesics, Opioid; D009294:Narcotics; D005283:Fentanyl