title: Multiple-stage procedures for drug screening.
mesh_terms: D000818:Animals; D000998:Antiviral Agents / Q000627:therapeutic use / Q000633:toxicity*; D008722:Methods; D051379:Mice; D008954:Models, Biological; D011336:Probability; D013223:Statistics as Topic; D014116:Toxicology; D014780:Viruses / Q000187:drug effects*
chemical_list: D000998:Antiviral Agents