title: Defective interfering particles of poliovirus: mapping of the deletion and evidence that the deletions in the genomes of DI(1), (2) and (3) are located in the same region.
mesh_terms: D002872:Chromosome Deletion; D003673:Defective Viruses / Q000235:genetics*; D004591:Electrophoresis, Polyacrylamide Gel; D005814:Genes, Viral; D008854:Microscopy, Electron; D008970:Molecular Weight; D009841:Oligonucleotides / Q000032:analysis; D017955:Poliovirus / Q000235:genetics*; D012367:RNA, Viral; D012260:Ribonucleases
chemical_list: D009841:Oligonucleotides; D012367:RNA, Viral; D012260:Ribonucleases