The biology of hepadnaviruses.

Animals Carcinoma, Hepatocellular/etiology Carrier State/genetics DNA Replication DNA, Viral/genetics Gene Expression Regulation Genes, Viral Global Health Hepatitis B/epidemiology,etiology,physiopathology Hepatitis B Surface Antigens/genetics,immunology Hepatitis B virus/genetics,immunology,ultrastructure Hepatitis Virus, Duck/genetics Hepatitis Viruses/genetics,immunology,pathogenicity,physiology Hepatitis, Viral, Animal/etiology,physiopathology Humans Liver Neoplasms/etiology Marmota/genetics,microbiology Virus Replication

DNA, Viral Hepatitis B Surface Antigens