WAFA IBRAHIM ELHAG ***3, N. O. M. N. A. I. **2,. SEROFREQUENCY OF HEPATITIS D VIRUS AMONG HEPATITIS B INFECTED PATIENTS, KHARTOUM STATE, SUDAN. Journal of Biomedical and Pharmaceutical Research, [S. l.], v. 4, n. 5, 2017. Disponível em: https://www.jbpr.in/index.php/jbpr/article/view/226. Acesso em: 26 may. 2026.