Quinteros, Roberto, Ivana Barbona, Julio César Vargas, Juan Carlos Moyano, and Pablo Roberto Marini. 2017. “Microminerals in Blood in Four Bovine Genotypes in the Ecuadorian Amazonia”. Revista De Investigaciones Veterinarias Del Perú 28 (4): 802-11. https://doi.org/10.15381/rivep.v28i4.12977.