[EPIDEMIOLOGICAL ANALYSIS  OF INFECTIOUS HEPATITIS IN 11 COUNTIES OF THE WARSAW REGION DURING THE PERIOD  1956-1961].
D003141:Communicable Diseases; D006505:Hepatitis; D006506:Hepatitis A; D006801:Humans; D011044:Poland; D013223:Statistics as Topic; D014765:Viral Vaccines
D014765:Viral Vaccines
HEPATITIS, INFECTIOUS; POLAND; STATISTICS