Cardoso, E. F., J. L. Donzele, R.-F. M. O. Donzele, Érika M. Figueiredo, C. P. F. Azevedo, and B. L. Sufiate. “Non-Phytate Phosphorus Requirement for Male Broilers Subjected to Two Calcium Supply Regimens from 8 to 21 Days of Age under Thermoneutral Environment Conditions”. Spanish Journal of Agricultural Research, Vol. 16, no. 3, Dec. 2018, p. e0611, doi:10.5424/sjar/2018163-12230.