Long-term effects of drenches with condensed tannins from Acacia mearnsii on goats naturally infected with gastrointestinal nematodes - Costa Júnior, Lívio Martins; Costa, Jailson S; Lôbo, Ítala C P D; Soares, Alexandra M S; Abdalla, Adibe Luiz; Chaves, Daniel P; Batista, Zulmira S; Louvandini, Helder (Veterinary Parasitology, 2014)