DIAGNOSTIC ACCURACY OF PORTAL VEIN DUPLEX DOPPLER SONOGRAPHY IN ASSESSING LIVER CIRRHOSIS SEVERITY: A CROSS-SECTIONAL STUDY KEEPING LIVER BIOPSY AS REFERENCE STANDARD. (2025). The Research of Medical Science Review, 3(7), 2037-2046. https://medicalsciencereview.com/index.php/Journal/article/view/2049