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