title: The cells of immortality. Scientists are tinkering with natural limits on life span. Is that a good idea?
authors.forename: J S
authors.initials: JS
authors.lastname: Fischer
mesh_terms: D016922:Cellular Senescence / Q000235:genetics*; D015316:Genetic Therapy / Q000639:trends*; D006801:Humans; D008017:Life Expectancy / Q000639:trends*