共 50 条
- [4] Epidural ropivacaine for the initiation of labor epidural analgesia: A dose finding study ANESTHESIA AND ANALGESIA, 1999, 88 (06): : 1340 - 1345
- [6] Effect of epidural analgesia on labor and delivery: a retrospective study JOURNAL OF MATERNAL-FETAL & NEONATAL MEDICINE, 2011, 24 (03): : 458 - 460