title: An improved method of cryopreservation of Trypanosoma (Nannomonas) congolense Broden in liquid nitrogen.
mesh_terms: D000818:Animals; D004121:Dimethyl Sulfoxide / Q000494:pharmacology; D005260:Female; D005615:Freezing; D005990:Glycerol / Q000494:pharmacology; D051379:Mice; D009584:Nitrogen; D011309:Preservation, Biological / Q000379:methods*; D014345:Trypanosoma / Q000187:drug effects
chemical_list: D009584:Nitrogen; D005990:Glycerol; D004121:Dimethyl Sulfoxide