http://www-micro.msb.le.ac.uk/335/Hepatitis.html

http://www.cdc.gov/ncidod/diseases/hepatitis/slideset/httoc.htm

http://www.Tulane.EDU:80/~dmsander/WWW/335/Hepatitis.html

http://cpmcnet.columbia.edu/dept/gi/hepint.html

http://www.Tulane.EDU/~dmsander/Big_Virology/BVDNAhepadna.html

http://www.bocklabs.wisc.edu/Welcome.html

http://www.uct.ac.za/depts/mmi/stannard/hepb.html

http://www.hon.ch/Library/Theme/Hepatitis/

http://www.hon.ch/Hepatitis/HBV_Chap1-3.html#immunology

http://www.homepage.holowww.com/1h.htm