title: [Comparative study of the genetic stability of vaccinia virus strains used in vaccine production in the USSR].
mesh_terms: D000818:Animals; D002642:Chick Embryo; D005827:Genetics, Microbial; D000882:Haplorhini; D011817:Rabbits; D012900:Smallpox Vaccine / Q000592:standards; D014586:USSR; D014616:Vaccinia virus; D014776:Virus Cultivation
chemical_list: D012900:Smallpox Vaccine
vernacular_title: Sravnitel'noe issledovanie geneticheskoĭ stabil'nosti shtammov virusa ospovaktsiny, ispol'zuemykh v proizvodstve v SS.