Masud, M. A. H., M. K. Pandit, and M. S. Hoque. “Factors Determining Change of Antibiotic and Prolong Hospital Stay in Children With Severe Pneumonia in a Tertiary Care Hospital, Dhaka, Bangladesh”. Medico Research Chronicles, Vol. 8, no. 3, May 2021, pp. 120-31, doi:10.26838/MEDRECH.2020.8.3.499.