Shaheen, M. S. A. ., M. K. . Rahman, K. . Sardar, M. M. . Hasan, M. M. . Rahman, A. N. Chowdhury, and R. . Ahmed. “The Comparative Study of Epidural Levobupivacaine and Bupivacaine in Major Abdominal Surgeries in Type- 2 Diabetic Patient”. Journal of the Bangladesh Society of Anaesthesiologists, vol. 30, no. 1, Feb. 2017, pp. 5-13, doi:10.3329/jbsa.v30i1.65309.