title: Retrospective studies on Australia antigen in sera collected during the epidemic of viral hepatitis at Delhi in 1956.
mesh_terms: D000208:Acute Disease; D004196:Disease Outbreaks; D006506:Hepatitis A / Q000276:immunology* / Q000382:microbiology; D006511:Hepatitis B Antigens / Q000032:analysis*; D006801:Humans; D007122:Immunoelectrophoresis; D007194:India; D012189:Retrospective Studies
chemical_list: D006511:Hepatitis B Antigens