Saied, GM, WH El-Metenawy, MS Elwan, and NR Dessouki. “Urine Carcinoembryonic Antigen Determination in Urinary Bladder Bilharziasis Predicts Carcinoma in Patients With Premalignant Lesions: Observation of 43 Cases in Egypt”. Tanzania Journal of Health Research 8, no. 3 (August 17, 2009). Accessed May 9, 2024. https://www.ajol.info/index.php/thrb/article/view/45108.