Mustafa , Z. S. ., Keorges, G. J. . . . and Raziq, A. H. . . (2024) “Programmed Death Ligand 1 expression in Urothelial Carcinoma.A retrospective study in Duhok City-Iraq.”, AMJ (Advanced Medical Journal) , 9(2), pp. 54-63. doi: 10.56056/amj.2024.257.