What is the most used Pcr inactivated Dna control or Nattrol for Clostridium difficile Negative Control (6 x 0.5 ml/vial)?

The NATtrol Chlamydia trachomatis Positive Control from Zeptometrix Corporation supplied next day by Gentaur to your Lab is the best choice. The catalog number is NATCT(434)-6MC and the price is 270 EUR.