Masrura, Nayema, Hasina Nasreen, Md Shakeel Ahmed, Md Mamunur Rashid, Tabassum Ferdousi, Saiffudin Mahmud, and Farzin Akhter. “Outcome Analysis of COVID 19 Patients Using ISARIC WHO 4C Mortality Score in COVID Unit of Bangladesh Institute of Tropical and Infectious Diseases (BITID)”. Chattagram Maa-O-Shishu Hospital Medical College Journal 23, no. 1 (January 22, 2025): 61–67. Accessed November 16, 2025. https://banglajol.info/index.php/CMOSHMCJ/article/view/78390.