Khizar, Samina, et al. “Efficacy of Voided Urine Cytology Compared to Cystoscopic Findings in the Detection of Bladder Cancer- A Pakistani Perspective”. Pakistan Armed Forces Medical Journal, vol. 72, no. 4, Sept. 2022, pp. 1364-68, doi:10.51253/pafmj.v72i4.4248.