title: Electron microscopic studies of the DNA of defective and standard pseudorabies virions.
mesh_terms: D000225:Adenine / Q000032:analysis; D001483:Base Sequence; D002499:Centrifugation, Density Gradient; D004279:DNA, Viral / Q000032:analysis; D003673:Defective Viruses / Q000648:ultrastructure*; D006564:Herpesviridae / Q000648:ultrastructure*; D011558:Herpesvirus 1, Suid / Q000648:ultrastructure*; D006863:Hydrogen-Ion Concentration; D008854:Microscopy, Electron; D008970:Molecular Weight; D009691:Nucleic Acid Denaturation; D013936:Thymidine / Q000032:analysis
chemical_list: D004279:DNA, Viral; D000225:Adenine; D013936:Thymidine