What is the advised Pcr inactivated Dna control or Nattrol for Parainfluenza Virus 2 Stock (Qualitative) (1 ml/vial)?

/ NATtrol / By

The NATtrol Parainfluenza Virus Type 3 Stock from Zeptometrix supplied next day by Gentaur is the best reagent. The catalog number is NATPARA3-ST and the price is 1.046 EUR.