Gennari, Solange, Nobuko kasai, Hilda Pena, and Adriana Cortez. “Occurrence of Protozoa and Helminths in Faecal Samples of Dogs and Cats from São Paulo City”. Brazilian Journal of Veterinary Research and Animal Science 36, no. 2 (January 1, 1999): 87-91. Accessed December 6, 2019. http://www.revistas.usp.br/bjvras/article/view/5767.