[Labor under analgesia: combination of meperidine and promethazine].
D000698:Analgesia / Q000379:methods*; D000773:Anesthesia, Obstetrical / Q000379:methods*; D004357:Drug Synergism; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008614:Meperidine / Q000008:administration & dosage; D011247:Pregnancy; D011398:Promethazine / Q000008:administration & dosage
D008614:Meperidine; D011398:Promethazine
Il parto in analgesia: l'associazione meperidina-prometazina.