[Perispinal pain therapy. How invasive should we be?].
Elsner
F
F
Radbruch
L
L
D015360:Analgesia, Epidural / Q000379:methods*; D000701:Analgesics, Opioid / Q000008:administration & dosage*; D002908:Chronic Disease; D004305:Dose-Response Relationship, Drug; D006801:Humans; D010146:Pain / Q000188:drug therapy*
D000701:Analgesics, Opioid