DR ALOK PRATAP SINGH. A COMPARATIVE STUDY OF INTRATHECAL BUPIVACAINE WITH BUPIVACAINETRAMADOL AND BUPIVACAINE-FENTANYL FOR POST-OPERATIVE PAIN RELIEF IN LOWER ABDOMINAL AND LOWER LIMB SURGERIES. ijpbs [Internet]. 2015 Dec. 31 [cited 2026 Jul. 23];6(4):752-8. Available from: https://ijpbs.net/index.php/journal/article/view/4664