title: Isolation of bloodstream trypomastigotes of Trypanosoma cruzi by a gradient of metrizamide.
mesh_terms: D000818:Animals; D001769:Blood / Q000469:parasitology*; D002499:Centrifugation, Density Gradient / Q000379:methods*; D008793:Metrizamide; D051379:Mice; D014349:Trypanosoma cruzi / Q000166:cytology / Q000302:isolation & purification*
chemical_list: D008793:Metrizamide