title: 1971 International Symposium on Viral Hepatitis. Historical perspectives.
mesh_terms: D003937:Diagnosis, Differential; D005060:Europe; D006506:Hepatitis A / Q000266:history* / Q000276:immunology; D006509:Hepatitis B / Q000175:diagnosis / Q000266:history / Q000276:immunology; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007565:Jaundice / Q000209:etiology / Q000266:history; D007922:Leptospirosis / Q000175:diagnosis; D014481:United States; D014611:Vaccination / Q000009:adverse effects / Q000266:history; D015004:Yellow Fever / Q000266:history