انتصار رمضان محمد and البشير محمد يحمد 2023. A study of the effect of infection with the Corona virus on the D-Dimer rate in some patients in Brack Alshati city . Journal of Pure & Applied Sciences . 22, 4 (Jun. 2023), 27–31. DOI:https://doi.org/10.51984/jopas.v22i4.3160.