title: Structural changes in the DNA of Marek's disease virus during serial passage in cultured cells.
mesh_terms: D000818:Animals; D001483:Base Sequence; D002472:Cell Transformation, Viral; D002642:Chick Embryo; D004262:DNA Restriction Enzymes; D004279:DNA, Viral / Q000235:genetics / Q000302:isolation & purification*; D008381:Herpesvirus 2, Gallid / Q000235:genetics*
chemical_list: D004279:DNA, Viral; D004262:DNA Restriction Enzymes