Tariq, Rabia, Anum Abbas, Ehtesham Haider, Usama Bin Zubair, Farrukh Saeed, and Zafar Ali Qureshi. “ASSESSMENT OF SEVERITY OF ULCERATIVE COLITIS ON FIRST COLONOSCOPIC EXAMINATION”. Pakistan Armed Forces Medical Journal 71, no. Suppl-1 (January 28, 2021): S175–79. Accessed April 20, 2024. https://pafmj.org/PAFMJ/article/view/2715.