The effect of using pre-operative ketamine injection on post-tonsillectomy pain intensity in children. Biomedical Research and Therapy, [S. l.], v. 5, n. 02, p. 2013–2021, 2018. DOI: 10.15419/bmrat.v5i02.416. Disponível em: https://preservation.bmrat.org/index.php/BMRAT/article/view/416.. Acesso em: 15 nov. 2024.