de Sousa, J. C., Nicodemo, M. L. F., & Darsie, G. (2014). Mineral deficiency in cattle in Roraima, Brazil. V. Copper and molybdenum. Pesquisa Agropecuaria Brasileira, 24(12), 1547–1554. https://doi.org/10.1590/S1678-3921.pab1989.v24.16637