Iqbal , R., Niazi, M. A. K., Shabbir, M. U., Raza, U., Saleem, A. and Bhatti, T. (2023) “Association of biochemical markers with COVID-19 severity in Pakistan”, Journal of the Pakistan Medical Association, 73(7), pp. 1403–1407. doi: 10.47391/JPMA.6843.