Lehnen, C. R., Lovatto, P. A., Andretta, I., Kipper, M., Huaschild, L., & Rossi, C. A. (2011). Meta‑analysis of ileal digestibility of amino acids and minerals in pigs fed diets containing enzymes. Pesquisa Agropecuaria Brasileira, 46(4), 438–445. https://doi.org/10.1590/S1678-3921.pab2011.v46.9704