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Parasitism and histopathological analyses of heart sections of T. cruzi-infected mice. Heart sections of untreated (A and C) or benznidazole-treated (B and D) T. cruzi-infected mice were analyzed for the presence of parasite foci by confocal microscopy (A and B; magnification, ×60) or inflammation by staining with hematoxylin-eosin (C and D; magnification, ×40).
