Saied, G.; El-Metenawy, W.; Elwan, M.; Dessouki, N. Urine Carcinoembryonic Antigen Determination in Urinary Bladder Bilharziasis Predicts Carcinoma in Patients With Premalignant Lesions: Observation of 43 Cases in Egypt. Tanzania J Hlth Res 2009, 8.