Patil, P., A. Tyagi, M. Waghmare, A. Srivastava, and M. Waran. “A Comparative Study of PSI and Curb-65 Scoring Systems in Predicting ICU Admissions and Mortality in Cases of Community-Acquired Pneumonia”. International Journal of Medical Research and Review, Vol. 8, no. 3, June 2020, pp. 240- 246, doi:10.17511/ijmrr.2020.i03.04.