Chowdhury, M.S. et al. 2016. Clinical presentation of ulcerative colitis among Bangladeshi population twenty years experience from a tertiary care hospital in Bangladesh. Bangabandhu Sheikh Mujib Medical University Journal. 6, 1 (Aug. 2016), 16–20. DOI:https://doi.org/10.3329/bsmmuj.v6i1.29016.