Prosanjit Mazumder, Akm Habibullah, Md Shahidu Islam, Chandan Kumar Banik. "Dexmedetomidine and Ketamine for Preventing Delirium in Elderly Patients in the Intensive Care Unit: A Comparative Study." Indian Journal of Critical Care Medicine (2025). https://doi.org/10.5005/jaypee-journals-10071-24933.130