L. Magnius e Norder, Subtypes, genotypes and molecular epidemiology of the hepatitis B virus as reflected by sequence variability of the S-gene, in Intervirology, vol. 38, 1–2, 1995, pp. 24–34, PMID8666521.
FAQ about Hepatitis B, su liver.stanford.edu, Stanford School of Medicine, 10 luglio 2008. URL consultato il 19 settembre 2009 (archiviato dall'url originale il 9 febbraio 2009).
("All infants should receive their first dose of hepatitis B vaccine as soon as possible after birth, preferably within 24 hours" - WHO Hepatitis B Vaccines Position Paper)