Alam, Shahjehan, Rayyan Pervez, and Salman Rafique. “VALIDITY OF COLOR DOPPLER SONOGRAPHY IN EVALUATION OF MALIGNANT PORTAL VEIN THROMBOSIS IN HEPATOCELLULAR CARCINOMA”. Journal of Postgraduate Medical Institute 27, no. 2 (March 10, 2013). Accessed April 24, 2024. https://www.jpmi.org.pk/index.php/jpmi/article/view/1392.