DIAGNOSTIC ACCURACY OF PORTAL VEIN DUPLEX DOPPLER SONOGRAPHY IN ASSESSING LIVER CIRRHOSIS SEVERITY: A CROSS-SECTIONAL STUDY KEEPING LIVER BIOPSY AS REFERENCE STANDARD. The Research of Medical Science Review, [S. l.], v. 3, n. 7, p. 2037–2046, 2025. Disponível em: https://medicalsciencereview.com/index.php/Journal/article/view/2049.. Acesso em: 1 nov. 2026.