title: Simian virus 40 facilitates multiplication of replication defective mutants of polyoma virus in BALB/3T3 mouse cells.
mesh_terms: D002460:Cell Line; D003673:Defective Viruses / Q000254:growth & development; D009154:Mutation; D011120:Polyomavirus / Q000254:growth & development*; D013539:Simian virus 40 / Q000502:physiology*; D014779:Virus Replication