title: [Methodological research problems in age-related toxicology].
mesh_terms: D000375:Aging / Q000187:drug effects*; D000818:Animals; D007928:Lethal Dose 50; D051381:Rats; D012107:Research Design; D014116:Toxicology / Q000379:methods*
vernacular_title: Metodicheskie voprosy issledovaniĭ po vozrastnoĭ toksikologii.