Chhajed GM. A Comparative Study of Epidural Ropivacaine with Fentanyl versus Bupivacaine with Fentanyl for Postoperative Analgesia in Elective Lower Abdominal and Lower Limb Surgeries. JBPR [Internet]. 2016Jun.30 [cited 2024Nov.16];5(3). Available from: http://jbpr.in/index.php/jbpr/article/view/1138