Inetrleukin-6 and C-reactive protein as predictors of mortality among critically ill COVID-19 patients in Assiut university hospitals (ICUs) مؤلف البحث Asmaa O. Ahmed, Hebat Allah G. Rashed, Alshymaa F. Solyman and Doaa M. Abd El-Kareem مؤلف البحث Doaa Muhamed Abd Elkareem khalel سنة البحث 2022