Vitti, D. M. S. S., Abdalla, A. L., Meirelles, C. ferreira, Filho, J. C. da S., & Louvandini, H. (1992). True phosphorus absorption from different sources for sheep, using radiophosphorus (P-32). Pesquisa Agropecuaria Brasileira, 27(10), 1405–1408. https://doi.org/10.1590/S1678-3921.pab1992.v27.3784