title: A physical map of the linear unintegrated DNA of Visna virus.
mesh_terms: D004262:DNA Restriction Enzymes; D004279:DNA, Viral / Q000235:genetics*; D004587:Electrophoresis, Agar Gel; D014790:Visna-maedi virus / Q000235:genetics*
chemical_list: D004279:DNA, Viral; D004262:DNA Restriction Enzymes