title: Problems of in vitro and in vivo testing of antiviral substances.
mesh_terms: D000818:Animals; D000903:Antibiotics, Antineoplastic / Q000494:pharmacology; D000998:Antiviral Agents / Q000494:pharmacology*; D001358:Avian Sarcoma Viruses / Q000187:drug effects; D046508:Culture Techniques; D004357:Drug Synergism; D008558:Melphalan / Q000494:pharmacology; D051379:Mice; D009976:Orthomyxoviridae Infections / Q000188:drug therapy*; D014498:Uracil / Q000031:analogs & derivatives / Q000494:pharmacology; D014520:Urethane / Q000494:pharmacology; D014616:Vaccinia virus / Q000187:drug effects
chemical_list: D000903:Antibiotics, Antineoplastic; D000998:Antiviral Agents; D014520:Urethane; D014498:Uracil; D008558:Melphalan