Deeba, M. R. ., A. . Sayeed, and I. R. . Sabbir. “Typhoid Ulcer Causing Massive Per-Rectal Bleeding : A Rare Case Report”. Journal of Paediatric Surgeons of Bangladesh, vol. 8, no. 1, Dec. 2018, pp. 38-40, doi:10.3329/jpsb.v8i1.69637.