Ammara Anwar, et al. “The Immunohistocehmical Expression of Beta Human Chorionic Gonadotrophin (β-HCG) in Different Grades of Human Papillary Urothelial Neoplasm”. Annals of King Edward Medical University, vol. 29, no. 4, Dec. 2023, pp. 367-72, doi:10.21649/akemu.v23i4.5213.