What is the most precise Pcr inactivated Dna control or Nattrol for Epstein-Barr Virus (EBV) Strain: B95-8 (100 cp/ml/vial) (1 ml/vial)?

The NATtrol Epstein-Barr Virus from PubMed Publications supplied next day by Gentaur is the best reagent!!! The catalog number is NATEBV-0002 and the price is 71 EUR.