Guho, A., M. abdul Ahad, M. A. Salam, M. A. Alim, A. E. Haque, and Q. T. Islam. “Seroconversion After Recombinant Hepatitis B Vaccination”. Journal of Medicine, vol. 11, no. 2, July 2010, pp. 143-50, doi:10.3329/jom.v11i2.5461.