Bresciani, Katia Denise Saraiva, et al. “Frequency and Intensity of Infection by Helminths in Cattle Slaughtered at the Abattior, of the Northwest of Region State of São Paulo, Brazil”. Semina: Ciências Agrárias, vol. 22, no. 1, Aug. 2001, pp. 93-97, doi:10.5433/1679-0359.2001v22n1p93.