Uddin, KMF, N Jahan, MA Manan, SA Ferdousi, T Farhana, S Akhter, and R Alam. “Risk Factors Determining the Outcome of 2-12 Months Age Group Infants Hospitalized With Severe Pneumonia”. Medicine Today 25, no. 1 (July 28, 2013): 9–13. Accessed January 21, 2022. https://www.banglajol.info/index.php/MEDTODAY/article/view/15901.