Diagnostic Accuracy of Serum Carbohydrate Antigen 19-9 in Determining Etiology of Obstructive Jaundice. Birdem Med J [Internet]. 2017 May 4 [cited 2026 Jun. 25];7(2):95-100. Available from: https://www.banglajol.info/index.php/BIRDEM/article/view/32443