Safety and effectiveness of epidurals.
Duffy
M R
MR
Wood
R J
RJ
Alexander-Williams
M
M
D015360:Analgesia, Epidural / Q000379:methods*; D000701:Analgesics, Opioid / Q000009:adverse effects; D003932:Heroin / Q000009:adverse effects; D006801:Humans; D010149:Postoperative Pain / Q000188:drug therapy*; D012131:Respiratory Insufficiency / Q000139:chemically induced
D000701:Analgesics, Opioid; D003932:Heroin