Fida Hussain, Muhammad Rahil Khan, Parsa Laghari, Riyasat Ahmed Memon, Zahid Ali Nohri, Azhar Ali 2023. Impact of Smoking on High and Low-Grade Urothelial Carcinoma. Pakistan Journal of Medical & Health Sciences. 17, 01 (Mar. 2023), 817. DOI:https://doi.org/10.53350/pjmhs2023171817.