An evaluation of a combination of pethidine and levallorphan ("pethilorfan") in labour.
D000758:Anesthesia; D000773:Anesthesia, Obstetrical; D004338:Drug Combinations; D006801:Humans; D007977:Levallorphan; D008614:Meperidine; D009292:Narcotic Antagonists
D004338:Drug Combinations; D009292:Narcotic Antagonists; D007977:Levallorphan; C003079:pethilorfan; D008614:Meperidine
ANESTHESIA, OBSTETRICAL; MEPERIDINE; NARCOTIC ANTAGONISTS