title: Deep freeze preservation of nematode larvae.
mesh_terms: D000818:Animals; D004121:Dimethyl Sulfoxide; D005615:Freezing; D007239:Infections; D007814:Larva; D008722:Methods; D009348:Nematoda; D011309:Preservation, Biological; D012756:Sheep; D013696:Temperature; D014251:Trichostrongyloidea
chemical_list: D004121:Dimethyl Sulfoxide