title: [Infectivity of various protozoan species after extended storage in liquid nitrogen].
mesh_terms: D016782:Apicomplexa / Q000472:pathogenicity; D002470:Cell Survival; D004748:Entamoeba histolytica / Q000472:pathogenicity; D056890:Eukaryota / Q000472:pathogenicity*; D005069:Evaluation Studies as Topic; D005612:Freeze Drying; D007891:Leishmania / Q000472:pathogenicity; D009584:Nitrogen; D010961:Plasmodium / Q000472:pathogenicity; D011309:Preservation, Biological; D014244:Trichomonas / Q000472:pathogenicity; D014345:Trypanosoma / Q000472:pathogenicity
chemical_list: D009584:Nitrogen
vernacular_title: Verhalten der Infektiosität verschiedener Protozoen-Spezies nach längerer Aufbewahrung in flüssigem Stickstoff.