Balarin, M.R.S. et al. 2009. Calcium and phophorus percent clearance ratios related to mineral nutrition in growing nelore (zebu) cattle. Semina: Ciências Agrárias. 19, 1 (Dec. 2009), 7–12. DOI:https://doi.org/10.5433/1679-0359.1998v19n1p7.