Salgado, João Amílcar, et al. “Electrocardiographic Alterations Observed in Patients from Mansonic Schistosomiasis Treated With a Hydroximethylic Derivate of Miracil D (Hycanthone)”. Revista Do Instituto De Medicina Tropical De São Paulo, vol. 10, no. 5, Oct. 1968, pp. 312-5, https://revistas.usp.br/rimtsp/article/view/201704.