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Vier, Carine M., Steve S. Dritz, Mike D. Tokach, Joel M. DeRouchey, Robert D. Goodband, Márcio A D. Gonçalves, Uislei A D. Orlando, Jon R. Bergstrom, und Jason C. Woodworth. "Calcium to Phosphorus Ratio Requirement of 26- to 127-kg Pigs Fed Diets With or Without Phytase(,)." J Anim Sci 2019.

Vier, Carine M., et al. "Calcium to Phosphorus Ratio Requirement of 26- to 127-kg Pigs Fed Diets With or Without Phytase(,)." J Anim Sci 2019.