[1]
Ahmed, M.U., Ahad, M.A., Alim, M., Ekram, A.S., Masum, Q.A.A., Tanu, S. and Uddin, R. 2009. Etiology of Upper Gastrointestinal Haemorrhage in a Teaching Hospital. TAJ: Journal of Teachers Association. 21, 1 (Sep. 2009), 53–57. DOI:https://doi.org/10.3329/taj.v21i1.3220.