“Effects on heamodynamics and postoperative analgesic requirement after major abdominal surgeries: comparison between continuous epidural infusion of 0.2% ropivacaine and 0.125% bupivacaine”, Birdem Med J, vol. 14, no. 1, pp. 23–30, Jan. 2024, doi: 10.3329/birdem.v14i1.71015.