M. M. Hossain, S. Ahmed, S. A. Mohammad Naser, and D. M. Al Amin, “Comparative Effectiveness of Oral Midazolam vs. Oral Ketamine as Pre-Anesthetic Medication in Paediatric Cardiac Patients at Bangladesh Shishu Hospital & Institute”, Dhaka Shishu (Child) Hosp. J., vol. 39, no. 2, pp. 83–87, Jul. 2025.