Bellaver, Claudio, Paulo Cezar Gomes, Elias Tadeu Fialho, and Dalton L. dos Santos. 2014. “Phosphorus Absorption and Availability in Swine Rations Based on Natural Phosphates”. Pesquisa Agropecuaria Brasileira 19 (12):1513-18. https://doi.org/10.1590/S1678-3921.pab1984.v19.16250.