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. International Journal of Pharma and Bio Sciences, [S. l.], v. 6, n. 4, p. 752–758, 2015. Disponível em: https://ijpbs.net/index.php/journal/article/view/4664. Acesso em: 23 jul. 2026.