BIANCHIN, I.; HONER, M. R.; CURVO, J. B. E. The production of eggs by gastrointestinal nematodes in Nellore cows, during the peri-parturient period. Pesquisa Agropecuaria Brasileira, v. 22, n. 11/12, p. 1239–1243, 17 Apr.2014.