Valiev Sh.M, Gaziev Z.T. Evaluation of the Effectiveness of Patient-Controlled Epidural Analgesia in Operative Gynecology in Patients with Heart Failure. IJSIR [Internet]. 2025 Nov. 1 [cited 2026 Mar. 22];1(4):95-9. Available from: https://globalscholars.uz/index.php/ijsir/article/view/760