Chieffi, Pedro Paulo, Maisa Leite de Queiroz, Fernanda Mehlmann, Maria Aparecida Paschoalotti, and Susana Angelica Zevallos Lescano. 2008. “ Recovering of Toxocara Canis Eggs from Samples of Experimentally Contaminated Soil ”. Revista Do Instituto De Medicina Tropical De São Paulo 50 (6): 361-62. https://revistas.usp.br/rimtsp/article/view/31222.