1. Hepatitis B virus infection: Epidemiology and Vaccination;Shepard;Epidemiol Rev,2006
2. Weinbaum CM, William I, Mast EE, et al. Recommendations for identification and public health management of persons with chronic hepatitis B virus Infection. Morbidity and Mortality Weekly Report. 2008;57:1‒20.
3. DrosteinC, Nippraschk T, Maregold C, et al. Prevalence of hepatitis B virus DNA in anti‒HBV‒Positive/HBS Ag negative sera correlates with HCY but not HIV Serostatus. J ClinVirol. 2004;29:59‒68.
4. Adoga MP, Gyar SD, Pechulano S, et al. Hepatitis B virus infection in apparently healthy urban Nigerians: data from prevaccination tests. J Infect in Dev Ctries. 2010;4(6):397‒400.
5. Prevalence of hepatitis B surface antigen in vaccinated children and controls in rural Nigeria;Odusanya;Intl J Infect Dis,2005