title: Defective interfering particles of poliovirus. 3. Interference and enrichment.
mesh_terms: D002247:Carbon Isotopes; D003609:Dactinomycin / Q000494:pharmacology; D003673:Defective Viruses / Q000378:metabolism*; D004591:Electrophoresis, Polyacrylamide Gel; D006146:Guanidines / Q000494:pharmacology; D006367:HeLa Cells / Q000187:drug effects / Q000378:metabolism; D007700:Kinetics; D017955:Poliovirus / Q000187:drug effects / Q000378:metabolism*; D011132:Polyribosomes / Q000378:metabolism; D012333:RNA, Messenger / Q000378:metabolism; D012367:RNA, Viral / Q000378:metabolism*; D013997:Time Factors; D014316:Tritium; D014762:Viral Interference; D010948:Viral Plaque Assay; D014764:Viral Proteins / Q000096:biosynthesis
chemical_list: D002247:Carbon Isotopes; D006146:Guanidines; D012333:RNA, Messenger; D012367:RNA, Viral; D014764:Viral Proteins; D014316:Tritium; D003609:Dactinomycin