title: Delta agent-a virus in disguise?
mesh_terms: D000818:Animals; D003673:Defective Viruses / Q000276:immunology; D006378:Helper Viruses / Q000276:immunology; D006509:Hepatitis B / Q000276:immunology / Q000382:microbiology*; D006510:Hepatitis B Antibodies / Q000032:analysis; D006511:Hepatitis B Antigens / Q000032:analysis; D006515:Hepatitis B virus / Q000276:immunology; D006518:Hepatitis Viruses / Q000235:genetics / Q000276:immunology*; D006801:Humans; D008099:Liver / Q000276:immunology; D002679:Pan troglodytes; D019966:Substance-Related Disorders / Q000276:immunology
chemical_list: D006510:Hepatitis B Antibodies; D006511:Hepatitis B Antigens