[Preventive vaccination against influenza in Kraków during 1954-1955].
D035843:Biomedical Research; D006801:Humans; D007251:Influenza, Human / Q000517:prevention & control*; D011044:Poland; D014611:Vaccination
INFLUENZA/prevention and control
Szczepienia ochronne przeciwko grypie w Krakowe w roku 1954-1955.