title: Studies on inhibition of viral oncogenesis. II. Inhibitory effect of L-asparaginase, clam liver extract and methotrexate on rous sarcoma virus focus formation.
mesh_terms: D000362:Agar; D000818:Animals; D000970:Antineoplastic Agents / Q000494:pharmacology*; D001215:Asparaginase / Q000494:pharmacology*; D001358:Avian Sarcoma Viruses / Q000254:growth & development / Q000472:pathogenicity*; D002417:Cattle; D002460:Cell Line; D002471:Cell Transformation, Neoplastic / Q000187:drug effects*; D002642:Chick Embryo; D003470:Culture Media; D046508:Culture Techniques; D003864:Depression, Chemical; D007106:Immune Sera; D008110:Liver Extracts / Q000494:pharmacology*; D008727:Methotrexate / Q000494:pharmacology*; D008974:Mollusca; D010710:Phosphates; D013997:Time Factors
chemical_list: D000970:Antineoplastic Agents; D003470:Culture Media; D007106:Immune Sera; D008110:Liver Extracts; D010710:Phosphates; D000362:Agar; D001215:Asparaginase; D008727:Methotrexate