title: Studies of SV40 DNA. 3. Differences in DNA from various strains of SV40.
mesh_terms: D004279:DNA, Viral / Q000032:analysis*; D004586:Electrophoresis; D006193:Haemophilus influenzae; D010759:Phosphorus Isotopes; D013539:Simian virus 40 / Q000032:analysis*; D013045:Species Specificity; D014316:Tritium
chemical_list: D004279:DNA, Viral; D010759:Phosphorus Isotopes; D014316:Tritium