“Prognostic Relevance of Significantly Raised CA 19-9 with Choledocholithiasis to Malignant Pathologies of HBS: An Early Experience in Dept. of Hepatobiliary Surgery at ShSMCH, Dhaka” (2020) Journal of Shaheed Suhrawardy Medical College, 11(2), pp. 119–123. doi:10.3329/jssmc.v11i2.48962.