Taher, Taqi, Firas Sarray, Saad Farhan Al-Badri, and Hasanain Ghazi. “Comorbidity and Risk Factors for COVID-19 Confirmed Patients in Wasit Province, IRAQ”. AL-Kindy College Medical Journal 16, no. supplement (July 24, 2020): 1-8. Accessed May 9, 2021. https://jkmc.uobaghdad.edu.iq/index.php/MEDICAL/article/view/174.