1.
Fajarini NS, Rehatta NM, Utariani A. Effectivity Comparison of Ketamine and Morphine as Post-Operative Analgesic in Spinal Surgery. IJAR [Internet]. 2020 Sep. 6 [cited 2024 Nov. 27];1(2):43-51. Available from: https://e-journal.unair.ac.id/IJAR/article/view/21834