M Omer, Tayseer, M Taha, Sami, Mohammadani, A A, M Ahmed, M El Imam, AND Elhassan, Moawia. " Urine Cytology for Detection of Bladder Carcinoma: Experience of Gezira Hospital for Renal Disease and Surgery(GHRDS)" Gezira Journal of Health Sciences [Online], Volume 13 Number 2 (1 December 2017)