title: Isolation of toxotoxin as a large molecule or particle by a method called "ice-filtration".
mesh_terms: D000818:Animals; D001681:Biological Assay; D002498:Centrifugation; D002848:Chromatography, DEAE-Cellulose; D005122:Exudates and Transudates / Q000032:analysis*; D005615:Freezing; D005779:Immunodiffusion; D008722:Methods; D051379:Mice; D008970:Molecular Weight; D014118:Toxins, Biological / Q000302:isolation & purification*; D014124:Toxoplasmosis, Animal
chemical_list: D014118:Toxins, Biological