Cunha, Aloisio Sales da, et al. “Clinical Trial With the Imidazol Compound R.P. 14539, in Intestinal Amebiasis”. Revista Do Instituto De Medicina Tropical De São Paulo, vol. 19, no. 5, Oct. 1977, pp. 342-8, https://revistas.usp.br/rimtsp/article/view/197922.