Naim Ismail Imunu, Isngadi, Rudy Vitraludyono and Arie Zainul Fatoni 2025. Evaluation of Morphine-Sparing Efficacy with Low-Dose Ketamine in Pediatric Postoperative Pain: A Pilot Randomized Controlled Trial. Open Access Indonesian Journal of Medical Reviews. 6, 1 (Dec. 2025), 63-74. DOI:https://doi.org/10.37275/oaijmr.v6i1.835.