Tashima, Nair Toshiko, et al. “ Classic and Molecular Study of Giardia Duodenalis in Children from a Daycare Center in the Region of Presidente Prudente, São Paulo, Brazil ”. Revista Do Instituto De Medicina Tropical De São Paulo, vol. 51, no. 1, Feb. 2009, pp. 19-24, https://www.revistas.usp.br/rimtsp/article/view/31238.