de Sousa, M A Surface electrical charge of bloodstream trypomastigotes of Trypanosoma cruzi strains. [electronic resource] - Memorias do Instituto Oswaldo Cruz - 497-500 p. digital Publication Type: Journal Article ISSN: 0074-0276 Standard No.: 10.1590/s0074-02761983000400014 doi Subjects--Topical Terms: AnimalsChagas Disease--bloodChromatography, DEAE-CelluloseMembrane PotentialsMiceTrypanosoma cruzi--growth & development