“Comparative Study of CURB-65, Expanded CURB- 65, PSI and SMART-COP Scoring in the Severity Assessment of Community Acquired Pneumonia” (2021) Chest & Heart Journal, 44(2), pp. 73–81. Available at: https://www.banglajol.info/index.php/CHJ/article/view/56974 (Accessed: 25 June 2026).