STUDY OF COLLAGEN IV INDICATORS IN URINE BEFORE AND AFTER TREATMENTS IN PATIENTS WITH HEPATORENAL SYNDROME WITH LIVER CIRRHOSIS OF VIRUS ETIOLOGY (HEPATITIS B AND C). World Bulletin of Public Health, [S. l.], v. 17, p. 33–36, 2022. Disponível em: https://scholarexpress.net/index.php/wbph/article/view/1795. Acesso em: 3 feb. 2026.