Nunes, Cáris M, Fernanda C Pena, Giuliano B Negrelli, Cristiano GS Anjo, Mauro M Nakano, and Neusa S Stobbe. 2000. “ Presence of Larva Migrans in Sand Boxes of Public Elementary Schools, Brazil ”. Revista De Saúde Pública 34 (6): 656-58. https://doi.org/10.1590/S0034-89102000000600015.