FAJARINI, N. S.; REHATTA, N. M.; UTARIANI, A. Effectivity Comparison of Ketamine and Morphine as Post-Operative Analgesic in Spinal Surgery. Indonesian Journal of Anesthesiology and Reanimation, [S. l.], v. 1, n. 2, p. 43–51, 2020. DOI: 10.20473/ijar.V1I22019.43-51. Disponível em: https://e-journal.unair.ac.id/IJAR/article/view/21834. Acesso em: 11 aug. 2024.