Costa, H.M. de A. et al. 2014. Critical test with Ruelene 8-DP against gastrointestinal helminths in cattle. Pesquisa Agropecuaria Brasileira. 5, 1 (Apr. 2014), 453–460. DOI:https://doi.org/10.1590/S1678-3921.pab1970.v5.17854.