Nasser, Arfan, and Santosh U. P. 2023. “Ropivacaine 0.25% Versus Bupivacaine 0.25% in Immediate Post Tonsillectomy Pain Management: A Randomised Control Trial”. International Journal of Otorhinolaryngology and Head and Neck Surgery 9 (6):471-75. https://doi.org/10.18203/issn.2454-5929.ijohns20231466.