title: Theoretical and practical aspects of freezing parasitic protozoa.
mesh_terms: D000818:Animals; D016782:Apicomplexa / Q000472:pathogenicity; D003451:Cryoprotective Agents / Q000009:adverse effects; D004121:Dimethyl Sulfoxide / Q000009:adverse effects; D056890:Eukaryota; D005615:Freezing; D005990:Glycerol / Q000009:adverse effects; D051379:Mice; D010271:Parasites; D011309:Preservation, Biological; D013696:Temperature; D013997:Time Factors
chemical_list: D003451:Cryoprotective Agents; D005990:Glycerol; D004121:Dimethyl Sulfoxide