Comparison of Ropivacaine with Fentanyl versus Ropivacaine with Dexmedetomidine for Epidural Analgesia in Postoperative Pain Management Following Total Knee Replacement Surgery (Code-T0139) [Internet]. Medical Thesis; 2025 [cited 2025 Apr. 20]. Available from: https://medicalthesis.org/index.php/mt/catalog/book/138