Antunes, D.A. et al. 2006. Phosphorus deficiency diagnosis in sheep using labeled phosphorus uptake by erythrocytes. Pesquisa Agropecuaria Brasileira. 41, 2 (Feb. 2006), 339–345. DOI:https://doi.org/10.1590/S1678-3921.pab2006.v41.7142.