Rassi, Anis, Vicente Amato Neto, and Astolpho Ferraz de Siqueira. “The Evolutive Behavior of the Complement Fixation Test in Chronic Chagas’ Disease”. Revista do Instituto de Medicina Tropical de São Paulo 11, no. 6 (December 23, 1969): 430–435. Accessed July 17, 2024. https://revistas.usp.br/rimtsp/article/view/201548.