title: Temperature-sensitive avian sarcoma viruses: a physiological comparison of twenty mutants.
mesh_terms: D000362:Agar; D001355:Alpharetrovirus / Q000145:classification / Q000254:growth & development; D000818:Animals; D001354:Avian Leukosis Virus / Q000254:growth & development; D001358:Avian Sarcoma Viruses / Q000145:classification / Q000254:growth & development; D002471:Cell Transformation, Neoplastic; D002642:Chick Embryo; D046508:Culture Techniques; D003673:Defective Viruses / Q000145:classification / Q000254:growth & development; D009154:Mutation; D013696:Temperature; D010948:Viral Plaque Assay
chemical_list: D000362:Agar