An obstetrician's view of pain.
D000767:Anesthesia, Epidural; D000773:Anesthesia, Obstetrical; D002045:Bupivacaine; D005260:Female; D005333:Fetus / Q000187:drug effects; D006801:Humans; D007231:Infant, Newborn; D008614:Meperidine; D010146:Pain; D011247:Pregnancy
D008614:Meperidine; D002045:Bupivacaine