Dayrell, M. de S., & Deresz, F. (2014). Inorganic phosphorus level in the blood serum de lactating cows in the "Zona da Mata region" of Minas Gerais State – Brazil. Pesquisa Agropecuaria Brasileira, 19(10), 1307–1312. https://doi.org/10.1590/S1678-3921.pab1984.v19.16138