Saeed, Sahrai, and Ronak Rajani. 2022. “The Association of Pre-Existing Comorbid Conditions With COVID-19 Severity and Post-COVID Complications; Insights from South Asia: Pre-Existing Comorbid Conditions and COVID-19”. Pakistan Journal of Medical Sciences 38 (3). https://doi.org/10.12669/pjms.38.3.5719.