[AN INTERNATIONAL SYMPOSIUM ON SMALLPOX VACCINATION].
D006801:Humans; D007391:International Cooperation; D011044:Poland; D012899:Smallpox; D012900:Smallpox Vaccine; D014611:Vaccination
D012900:Smallpox Vaccine
INTERNATIONAL COOPERATION; SMALLPOX VACCINE
MI EDZYNARODOWE SYMPOZJUM W SPRAWIE SZCZEPIE'N PRZECIWOSPOWYCH.