[Pain therapy. Exaggerated anxiety regarding opioid administration].
D000279:Administration, Cutaneous; D000701:Analgesics, Opioid / Q000008:administration & dosage / Q000009:adverse effects*; D001007:Anxiety / Q000523:psychology*; D002908:Chronic Disease; D005283:Fentanyl / Q000009:adverse effects*; D006801:Humans; D010146:Pain / Q000188:drug therapy* / Q000523:psychology
D000701:Analgesics, Opioid; D005283:Fentanyl