NATtrol™ CT/NG/TV External Run Control Kit contains NATtrol™ CT/NG/TV Positive Control 2.0 and NATtrol™ CT/NG/TV Negative Control. NATtrol™ CT/NG/TV Positive Control 2.0 contains purified, intact Chlamydia trachomatis, Neisseria gonorrhoeae and Trichomonas vaginalis that have been chemically...