Comparison of Dexmedetomidine or clonidine as adjuvant to Preemptive Thoracic Epidural Ropivacaine analgesia with propofol based TIVA in fast-track thoracic anaesthesia for open thoracic surgeries. ijabms [Internet]. 2021 Feb. 2 [cited 2024 Nov. 24];23(36):103-18. Available from: https://acspublisher.com/journals/index.php/ijabms/article/view/145