In vivo anthelmintic activity of Solanum lycocarpum leaves against Haemonchus contortus in sheep - Oliveira, L. D. R; Miranda, J. P. H. V; Curado, G. S; Costa Neto, J. P; Santos, B. F; Barros, E. E. L; Louvandini, Helder; Melo, F. R (International Congress on Natural Products Research on Global Change, Natural Products and Human Health, 2012)