Comparitive Study Of Dexamethasone Vs Clonidine As An Adjuvant To Levobupivacaine In Transversus Abdominis Plane Block For Postoperative Pain In Patients Undergoing Total Abdominal Hystrectomy. Journal of Pharmaceutical Negative Results [Internet]. 2022 Oct. 3 [cited 2026 Jun. 17];:98-109. Available from: https://pnrjournal.com/index.php/home/article/view/1129