University of Texas Medical Branch. Department of Pathology. Center for Tropical Diseases. Galveston, USA.; University of Texas Medical Branch. Department of Pathology. Center for Tropical Diseases. Galveston, USA.; University of Texas Medical Branch. Department of Pathology. Center for Tropical Diseases. Galveston, USA.; Minist?rio da Sa?de. Funda??o Nacional de Sa?de. Instituto Evandro Chagas. Bel?m, PA, Bras...