Hossain, M. M.; Ahmed, S.; Mohammad Naser, S. A.; Al Amin, D. M. 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. 2025, 39, 83-87.