Xuan, N. T. (2025) “Effectiveness of continuous epidural analgesia by bupivacaine 0.1% combined with fentanyl for pain attenuation during labor at Hue Central Hospital”, Tạp chí Y học lâm sàng Bệnh viện Trung Ương Huế, (83), tr 85–95. doi: 10.38103/jcmhch.83.13.