Pain in Spain could be on the wane.
Burton
A
A
D000279:Administration, Cutaneous; D000701:Analgesics, Opioid / Q000008:administration & dosage*; D005260:Female; D005283:Fentanyl / Q000008:administration & dosage*; D006801:Humans; D008297:Male; D009369:Neoplasms / Q000150:complications*; D010147:Pain Measurement; D010148:Intractable Pain / Q000188:drug therapy* / Q000209:etiology; D013030:Spain; D019452:Terminally Ill; D016896:Treatment Outcome
D000701:Analgesics, Opioid; D005283:Fentanyl