Espinoza, Emir, Nersa González, Pedro Aso, Henry Caballero, Jahely Fuenmayor, and Luis Hidalgo. “Leucogram in Heifer Sand Calves (Holstein) Infected With a Venezuelan Strain of <i>Trypanosoma vivax< I>”;. Pesquisa Agropecuaria Brasileira 35, no. 3 (March 1, 2000): 647–652. Accessed July 5, 2026. https://apct.sede.embrapa.br/pab/article/view/5815.