title: Preservation of Giardia trophozoites by freezing.
mesh_terms: D000818:Animals; D004121:Dimethyl Sulfoxide / Q000494:pharmacology; D005615:Freezing; D005872:Giardia; D005990:Glycerol / Q000494:pharmacology; D011309:Preservation, Biological; D011817:Rabbits; D013696:Temperature; D013997:Time Factors
chemical_list: D005990:Glycerol; D004121:Dimethyl Sulfoxide