[Use of lumbar peridural block with double catheter in obstetrical analgesia].
D000765:Anesthesia, Conduction; D000773:Anesthesia, Obstetrical; D000775:Anesthesia, Spinal; D005260:Female; D006801:Humans; D011247:Pregnancy
Utilidad del bloqueo peridural lumbar con doble catéter en la analgesia obstétrica.