U. P. S, V. C. S. Comparative study of 0.5% bupivacaine infiltration versus sterile water infiltration in tonsillar fossa during tonsillectomy performed under general anaesthesia. Int J Otorhinolaryngol Head Neck Surg [Internet]. 2020 Apr. 21 [cited 2025 Oct. 10];6(5):964-8. Available from: https://www.ijorl.com/index.php/ijorl/article/view/2199