Khalil MA, Zafar N, Tariq H, Khan WA, Ahmed S, Qurni MO. Immunohistochemical Expression of Programmed Death-Ligand 1 (Pd-L1) in Urothelial Cancer in Urinary Bladder. Pak Armed Forces Med J [Internet]. 2025 Oct. 31 [cited 2025 Nov. 3];75(5):961-4. Available from: https://pafmj.org/PAFMJ/article/view/10460