Ullah, Zabih, Waqar Shah, Rania Hidayat, Ummarah Riaz, Adil Naseer, and Hafizullah Khan. “Frequency of Anemia in Patients Presenting With Ulcerative Colitis”. International journal of health sciences 6, no. S10 (March 26, 2023): 1559–1566. Accessed June 11, 2026. https://sciencescholar.us/journal/index.php/ijhs/article/view/14097.