title: [Research to improve smallpox vaccine: the contribution to the elimination of smallpox in the world].
mesh_terms: D000818:Animals; D002417:Cattle; D002642:Chick Embryo; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D011817:Rabbits; D012106:Research; D012899:Smallpox / Q000517:prevention & control*; D012900:Smallpox Vaccine / Q000009:adverse effects / Q000276:immunology / Q000592:standards*; D013678:Technology, Pharmaceutical; D014586:USSR; D012901:Variola virus / Q000235:genetics / Q000276:immunology; D014776:Virus Cultivation
chemical_list: D012900:Smallpox Vaccine
vernacular_title: Issledovaniia po sovershenstvovaniiu ospennoĭ vaktsiny--vklad v likvidatsiiu ospy v mire.