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. International Journal of Otorhinolaryngology and Head and Neck Surgery, [S. l.], v. 6, n. 5, p. 964–968, 2020. DOI: 10.18203/issn.2454-5929.ijohns20201696. Disponível em: https://www.ijorl.com/index.php/ijorl/article/view/2199. Acesso em: 10 oct. 2025.