Masuduzzaman, SM, Md Sayedul Islam, Md Khairul Anam, SK Shahinur Hossain, Dilruba Yeasmin, Muhammad Shkhawaath Hossain, Md Delwar Hossain, and Sanjoy Kumar Kar. “Comparative Study of CURB-65, Expanded CURB- 65, PSI and SMART-COP Scoring in the Severity Assessment of Community Acquired Pneumonia”. Chest & Heart Journal 44, no. 2 (December 13, 2021): 73–81. Accessed August 15, 2022. https://banglajol.info/index.php/CHJ/article/view/56974.