1. Weinbaum CM, Williams I, Mast EE, Wang SA, Finelli L, Wasley A, Centers for Disease Control (CDC) and Prevention, et al.: Recommendations for Identification and Public Health Management of Persons with Chronic Hepatitis B Virus Infection. MMWR 2008, 57: 1-20.
2. Department of Health (UK): Immunization against Infectious Disease - "The Green Book". Hepatitis B 2006, 161-184.
3. Andre F, Hepatitis B: A comprehensive prevention, diagnosis and treatment program - past, present and future. Journal of Gastroenterology and Hepatology 2004, (19):1-4. 10.1111/j.1440-1746.2003.03390.x
4. Elsheikh RM, Daak AA, Elsheikh MA, Karsany MS, Adam I: Hepatitis B virus and hepatitis C virus in pregnant Sudanese women. Virology Journal 2007,4(104):1-3.
5. Ugwuja EI: Seroprevalence of Hepatitis B surface Antigen and liver function tests among adolescents in Abakaliki, South Eastern. Internet Journal of Tropical Medicine 2010,6(2):1-6.