title: The application of DEAE-cellulose column chromatography to the selection of S +  revertants and determination of reversion frequency in populations of S -  mutants of fowl plague virus.
mesh_terms: D000818:Animals; D002642:Chick Embryo; D002848:Chromatography, DEAE-Cellulose; D003470:Culture Media; D046508:Culture Techniques; D005069:Evaluation Studies as Topic; D005347:Fibroblasts; D005827:Genetics, Microbial; D006386:Hemagglutination Tests; D006898:Hydroxylamines; D009980:Influenza A virus / Q000254:growth & development / Q000302:isolation & purification*; D009153:Mutagens; D009154:Mutation; D011479:Protamines; D012965:Sodium Chloride
chemical_list: D003470:Culture Media; D006898:Hydroxylamines; D009153:Mutagens; D011479:Protamines; D012965:Sodium Chloride