[The relationship between mass immunization and the inoculation form of epidemic hepatitis].
D006506:Hepatitis A; D006525:Hepatitis, Viral, Human; D006801:Humans; D007565:Jaundice / Q000706:statistics & numerical data*; D032541:Mass Vaccination; D012899:Smallpox / Q000276:immunology*; D014611:Vaccination; D012901:Variola virus
JAUNDICE, HOMOLOGOUS SERUM/statistics; SMALLPOX/immunology