[Epidemiological effectiveness of anti-smallpox vaccination of children under 6 months of age].
D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D012899:Smallpox / Q000517:prevention & control*; D012900:Smallpox Vaccine; D014611:Vaccination
D012900:Smallpox Vaccine
Ob épidemiologiceskoĭ éffektivnosti protivoospennoĭ vaktsinatsii deteĭ v vozraste do 6 mesiatsev.