[THE EPIDEMIOLOGICAL PROPERTIES OF INFECTIOUS HEPATITIS IN RURAL AREAS].
D003141:Communicable Diseases; D004813:Epidemiology; D006505:Hepatitis; D006506:Hepatitis A; D006801:Humans; D011044:Poland; D012423:Rural Health; D014765:Viral Vaccines
D014765:Viral Vaccines
EPIDEMIOLOGY; HEPATITIS, INFECTIOUS; POLAND; RURAL HEALTH
DIE EPIDEMIOLOGISCHEN EIGENSCHAFTEN DER HEPATITIS EPIDEMICA N LAENDLICHEN GEBIETEN.