Boonsirichan, R., D. Duangmanee, P. Klaewkasikij, R. Chantanalage, S. Suebklay, and B. Supawattanabodee. “Efficacy of Hepatitis B Vaccination in Personnels of BMA Medical College and Vajira Hospital”. Vajira Medical Journal : Journal of Urban Medicine, vol. 54, no. 1, Sept. 2011, pp. 9-18, https://he02.tci-thaijo.org/index.php/VMED/article/view/428.