title: Defective interfering particles of poliovirus. II. Nature of the defect.
mesh_terms: D000596:Amino Acids / Q000378:metabolism; D000903:Antibiotics, Antineoplastic / Q000494:pharmacology; D002247:Carbon Isotopes; D002499:Centrifugation, Density Gradient; D003673:Defective Viruses / Q000378:metabolism; D004591:Electrophoresis, Polyacrylamide Gel; D005827:Genetics, Microbial; D006146:Guanidines / Q000494:pharmacology; D006367:HeLa Cells / Q000187:drug effects / Q000378:metabolism; D007700:Kinetics; D008970:Molecular Weight; D009363:Neoplasm Proteins / Q000032:analysis; D017955:Poliovirus / Q000187:drug effects / Q000378:metabolism*; D012367:RNA, Viral / Q000096:biosynthesis*; D013056:Spectrophotometry, Ultraviolet; D013997:Time Factors; D014316:Tritium; D014762:Viral Interference; D010948:Viral Plaque Assay; D014764:Viral Proteins / Q000032:analysis / Q000096:biosynthesis
chemical_list: D000596:Amino Acids; D000903:Antibiotics, Antineoplastic; D002247:Carbon Isotopes; D006146:Guanidines; D009363:Neoplasm Proteins; D012367:RNA, Viral; D014764:Viral Proteins; D014316:Tritium