title: Characterization of the DNA from four heliothis nuclear polyhedrosis virus isolates.
mesh_terms: D003596:Cytosine / Q000032:analysis; D004279:DNA, Viral / Q000032:analysis*; D006147:Guanine / Q000032:analysis; D007304:Insect Viruses / Q000032:analysis*; D007915:Lepidoptera / Q000382:microbiology; D008970:Molecular Weight; D009691:Nucleic Acid Denaturation; D013045:Species Specificity
chemical_list: D004279:DNA, Viral; D006147:Guanine; D003596:Cytosine