H. Louvandini, A. L. Abdalla, R. L. Coop, C. M. Mc Manus, and S. M. Gennari, “Effect of dietary protein intake on calf resilience to Haemonchus placei infection”, Braz. J. Vet. Res. Anim. Sci., vol. 39, no. 5, pp. 227–232, Jan. 2002, doi: 10.1590/S1413-95962002000500002.