Moraes, Mário, and Geovane M. Chaves. “A Case of Onchocerciasis in the Territory Roraima, Northern Brasil”. Revista Do Instituto De Medicina Tropical De São Paulo, vol. 16, no. 2, Apr. 1974, pp. 110-3, https://revistas.usp.br/rimtsp/article/view/201070.