Virulence of Trichomonas vaginalis after freeze-preservation for 2 years in liquid nitrogen vapor.
D000818:Animals; D005615:Freezing; D008297:Male; D051379:Mice; D009584:Nitrogen; D011309:Preservation, Biological; D014244:Trichomonas / Q000472:pathogenicity*; D014774:Virulence
D009584:Nitrogen