[Intravenous administration of meperidine and promethazine in labor analgesia].
D000771:Anesthesia, Intravenous; D000773:Anesthesia, Obstetrical; D008614:Meperidine / Q000008:administration & dosage*; D008722:Methods; D011398:Promethazine / Q000008:administration & dosage*
D008614:Meperidine; D011398:Promethazine
Uso endovenoso della meperidina e della prometazina nell'analgesia del travaglio di parto.