[EPIDEMIOLOGICAL SITUATION OF SMALLPOX AND ITS CONTROL AFTER WORLD WAR II].
D003140:Communicable Disease Control; D004813:Epidemiology; D006801:Humans; D011044:Poland; D012899:Smallpox; D012900:Smallpox Vaccine; D047789:World War II
D012900:Smallpox Vaccine
COMMUNICABLE DISEASE CONTROL; EPIDEMIOLOGY; SMALLPOX; SMALLPOX VACCINE
SYTUACJA EPIDEMICZNA OSPY W 'SWIECIE I JEJ ZWALCZANIE PO II WOJNIE SWIATOWEJ.