Ali, Maha Hashim, and Shatha Farouk Abdullah. “The Correlation of Serum Periostin Level With Disease Severity in Patients With Covid -19”. AL-Kindy College Medical Journal 20, no. 2 (August 1, 2024): 101–105. Accessed December 19, 2024. https://jkmc.uobaghdad.edu.iq/index.php/MEDICAL/article/view/1329.