Rashid, S. A. ., M. K. Islam, M. S. Ali, M. J. . Uddin, F. . Yasmin, and M. S. . Mollah. “Sensitivity, Specificity and Predictive Values of Chest Indrawing in the Diagnosis of Severe Pneumonia”. Mediscope, vol. 9, no. 2, Oct. 2022, pp. 54-59, doi:10.3329/mediscope.v9i2.61705.