Souza, Sebastião Loureiro de, and Mário E. Camargo. 1966. “The Use of Filter Paper Blood Smears in a Practical Fluorescent Test for American Trypanosomiasis Serodiagnosis”. Revista Do Instituto De Medicina Tropical De São Paulo 8 (6): 255-58. https://revistas.usp.br/rimtsp/article/view/202009.