“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”. 2021. Indian Journal of Applied-Basic Medical Sciences 23 (36): 103-18. https://doi.org/10.48165/ijabms.2021.23111.