Saulat, Zeenat, Sana Waseem, and Maria Khaliq. “Diagnostic Accuracy of Splenoportal Index for Detection of Esophageal Varices in Patients of Liver Cirrhosis”. Journal of Rawalpindi Medical College 23, no. 2 (May 2, 2019): 97-100. Accessed March 28, 2020. http://www.journalrmc.com/index.php/JRMC/article/view/1106.