title: Hepatitis B virus surface gene variation: just skin deep or profoundly pathogenic?
authors.forename: Raymond C
authors.initials: RC
authors.lastname: Chan
mesh_terms: D004279:DNA, Viral / Q000032:analysis; D014644:Genetic Variation; D006510:Hepatitis B Antibodies / Q000097:blood*; D006514:Hepatitis B Surface Antigens / Q000235:genetics*; D006515:Hepatitis B virus / Q000235:genetics* / Q000276:immunology; D019694:Hepatitis B, Chronic / Q000821:virology*; D006801:Humans; D009154:Mutation; D016133:Polymerase Chain Reaction
chemical_list: D004279:DNA, Viral; D006510:Hepatitis B Antibodies; D006514:Hepatitis B Surface Antigens