Perdigão, A.; Martins, C. L.; Vieira Junior, L. C.; Sartori, M. M. P.; Niehues, M. B.; Arrigoni, M. D. B. Identification of the Production System of Beef Cattle by the Stable Isotope Analysis. PAB 2020, 55 (X), e01501. https://doi.org/10.1590/S1678-3921.pab2020.v55.26852.