Shahbazkhani, Bijan, Amir Sadeghi, Mahdi Mohebb, Negin Jamshidfar, and Amir Ali Mafi. 2018. “Dilated Common Bile Duct Unexplained on Transabdominal Ultrasonography; The Role of Endoscopic Ultrasonography and Predictors of Malignancy”. Researcher Bulletin of Medical Sciences 22 (1):e7. https://ojs2.sbmu.ac.ir/index.php/rbms/article/view/22655.