Shamkhi, F., A. Ali, and H. El-Yassin. “Serum Cystatin C As a Predictor of Acute Kidney Transplant Rejection”. Journal of the Faculty of Medicine Baghdad, Vol. 57, no. 3, Oct. 2015, pp. 188-92, doi:10.32007/med.1936/jfacmedbagdad.v57i3.2.