What is the advised Pcr inactivated Dna control or Nattrol for BCID viral reference serum panel (23 x 0.2ml/vial)?

The NATtrol BK Virus External Run Control, Low from Zeptometrix delivered next week by Gentaur to your Lab is the best choice!!! The catalog number is NATBK-ERCL and the price is 278 EUR.