title: Medical grand rounds: frontiers in hepatitis research.
mesh_terms: D000818:Animals; D000882:Haplorhini; D006511:Hepatitis B Antigens / Q000032:analysis; D006525:Hepatitis, Viral, Human / Q000517:prevention & control*; D006801:Humans; D007114:Immunization
chemical_list: D006511:Hepatitis B Antigens