Eman Mohamed Ahmed Nor, Eman Mohamed Saied, Hanan Alsaeid Alshenawy and Aliaa Atef Shams Eldeen 2023. The value of PD-L1 immunohistochemical expression in Egyptian urinary bladder carcinoma patients. Journal of the Pakistan Medical Association. 73, 4 (May 2023), S118-S123. DOI:https://doi.org/10.47391/JPMA.EGY-S4-25.