title: Characterization of hepatitis B antigen polypeptides.
mesh_terms: D004591:Electrophoresis, Polyacrylamide Gel; D006511:Hepatitis B Antigens / Q000032:analysis* / Q000302:isolation & purification; D006801:Humans; D007525:Isoelectric Focusing; D008623:Mercaptoethanol; D008970:Molecular Weight; D010455:Peptides / Q000032:analysis*; D012967:Sodium Dodecyl Sulfate; D013501:Surface-Active Agents
chemical_list: D006511:Hepatitis B Antigens; D010455:Peptides; D013501:Surface-Active Agents; D012967:Sodium Dodecyl Sulfate; D008623:Mercaptoethanol