Lack of analgesic effect of systemically administered morphine or pethidine on labour pain.
Lucas
M J
MJ
Ramin
S M
SM
Sharma
S
S
D000701:Analgesics, Opioid / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D008614:Meperidine / Q000008:administration & dosage*; D009020:Morphine / Q000008:administration & dosage*; D007744:Obstetric Labor Complications / Q000517:prevention & control*; D010147:Pain Measurement; D011247:Pregnancy
D000701:Analgesics, Opioid; D009020:Morphine; D008614:Meperidine