title: A biochemical method for increasing the size of deletion mutations in simian virus 40 DNA.
mesh_terms: D004262:DNA Restriction Enzymes; D004270:DNA, Circular; D004279:DNA, Viral; D005838:Genotype; D008722:Methods; D009154:Mutation; D013539:Simian virus 40; D014779:Virus Replication
chemical_list: D004270:DNA, Circular; D004279:DNA, Viral; D004262:DNA Restriction Enzymes