title: Preservation of Toxoplasma gondii by freezing.
mesh_terms: D000818:Animals; D004121:Dimethyl Sulfoxide / Q000494:pharmacology; D005615:Freezing; D005990:Glycerol / Q000494:pharmacology; D051379:Mice; D011309:Preservation, Biological / Q000379:methods*; D014122:Toxoplasma / Q000502:physiology*
chemical_list: D005990:Glycerol; D004121:Dimethyl Sulfoxide