title: RNA viruses. Life on the edge of catastrophe.
authors.forename: S
authors.initials: S
authors.lastname: Nichol
mesh_terms: D000818:Animals; D005075:Biological Evolution; D012321:DNA-Directed RNA Polymerases / Q000235:genetics; D006801:Humans; D009154:Mutation; D012328:RNA Viruses / Q000235:genetics / Q000502:physiology*
chemical_list: D012321:DNA-Directed RNA Polymerases