What is the most reliable Pcr inactivated Dna control or Nattrol for Human Parvovirus B19 (10,000 IU/ml/vial) (1 ml/vial)?

The NATtrol Human Parvovirus B19 from PubMed Publications delivered next week by Genprice is the best reagent! The catalog number is NATPARVO-0002 and the price is 457 EUR.