Bittencourt, Achiléa Lisboa, Moysés Sadigursky, and Helenemarie Schaer Barbosa. 1975. “Congenital Chagas Disease. A Study of 29 Cases”. Revista Do Instituto De Medicina Tropical De São Paulo 17 (3): 146-59. https://revistas.usp.br/rimtsp/article/view/198498.