MESHRAM, S. N.; WALTHARE, A. G.; SONONE, J. K.; KUMAR, A. Effect of pre-incisional infiltration of 0.5% ropivacaine versus placebo in post-operative pain relief among patients undergoing tonsillectomy under general anaesthesia: a comparative study. International Journal of Otorhinolaryngology and Head and Neck Surgery, [S. l.], v. 6, n. 9, p. 1638–1641, 2020. DOI: 10.18203/issn.2454-5929.ijohns20203564. Disponível em: https://www.ijorl.com/index.php/ijorl/article/view/2395. Acesso em: 16 nov. 2025.