Freire, R. L., Brito, B. G., Leite, D. M. G., & Vidotto, O. (1996). Occurrence of Cryptosporidium spp in piglet with diarrhea from farms of southwest Parana State. Semina: Ciências Agrárias, 17(1), 38–40. https://doi.org/10.5433/1679-0359.1996v17n1p38