Valiev Sh.M, and Gaziev Z.T. “Evaluation of the Effectiveness of Patient-Controlled Epidural Analgesia in Operative Gynecology in Patients With Heart Failure”. INTERNATIONAL JOURNAL OF SCIENCE-INNOVATIVE RESEARCH 1, no. 4 (November 1, 2025): 95–99. Accessed March 22, 2026. https://globalscholars.uz/index.php/ijsir/article/view/760.