title: Orthopoxvirus DNA: strain differentiation by electrophoresis of restriction endonuclease fragmented virion DNA.
mesh_terms: D002499:Centrifugation, Density Gradient; D004262:DNA Restriction Enzymes; D004279:DNA, Viral / Q000032:analysis*; D008970:Molecular Weight; D008993:Monkeypox virus / Q000032:analysis / Q000145:classification*; D011212:Poxviridae / Q000032:analysis / Q000145:classification*; D013045:Species Specificity; D012901:Variola virus / Q000032:analysis / Q000145:classification*
chemical_list: D004279:DNA, Viral; D004262:DNA Restriction Enzymes