[ON SECONDARY INFECTIOUS HEPATITIS IN RESIDENTIAL FOCI].
D003141:Communicable Diseases; D004813:Epidemiology; D006505:Hepatitis; D006506:Hepatitis A; D006801:Humans; D014586:USSR; D014765:Viral Vaccines
D014765:Viral Vaccines
EPIDEMIOLOGY; HEPATITIS, INFECTIOUS; USSR
O VTORICHNYKH ZABOLEVANIIAKH INFEKTSIONNYM GEPATITOM V KVARTIRNYKH OCHAGAKH.