Bhuyian, R., Azam, M.G., Rob, M.A., Bhuiyan, T.M. and Rahman, M.A. 2017. Diagnostic Accuracy of Serum Carbohydrate Antigen 19-9 in Determining Etiology of Obstructive Jaundice. BIRDEM Medical Journal. 7, 2 (May 2017), 95–100. DOI:https://doi.org/10.3329/birdem.v7i2.32443.