Sbhan Khalf Mohamed Aljumaily, Wisam, and Ali Mohammed Huseein. “Evaluation the Role of Ghrelin Hormone, D-Dimer and Biochemical Variable in Covid - 19 Patients”. International Journal of Health Systems and Medical Sciences, vol. 4, no. 1, Jan. 2025, pp. 44-59, doi:10.51699/ijhsms.v4i1.342.