Ali G Azbida; Entsar Mohammed; Zainab Ali; i*, Tarek Belkasem; Tarek Thabit; Wesal Muftah; Faraj K Saga; Wafa M Ali; Mustafa M Omar. The Effect of Chronic Diseases on the Severity of Covid-19 Disease. روافد المعرفة 2025, 5, 155-165.