Zeki, Tariq Mohamed, et al. “An Appraisal of Urine Cytology in the Diagnosis of Transitional Cell Carcinoma of the Urinary Bladder”. Journal of the Faculty of Medicine Baghdad, vol. 49, no. 2, July 2007, pp. 261-4, https://doi.org/10.32007/jfacmedbagdad.4921393.