title: Polyoma virus defective DNAs. I. Physical maps of a related set of defective molecules (D76, D91, D92).
mesh_terms: D001483:Base Sequence; D004262:DNA Restriction Enzymes; D004279:DNA, Viral / Q000032:analysis*; D003673:Defective Viruses / Q000032:analysis; D004586:Electrophoresis; D009693:Nucleic Acid Hybridization; D011120:Polyomavirus / Q000032:analysis*
chemical_list: D004279:DNA, Viral; D004262:DNA Restriction Enzymes