Oliveira, S. F. M., J. J. Abelilla, K. J. Htoo, and H. H. Stein. 2018. Crystalline amino acids in diets do not influence calculated values for amino acid digestibility in feed ingredients fed to pigs. 14th International Symposium on Digestive Physiology of Pigs. Adv. Anim. Biosci. Volume 9, Issue S2, 9:S71. (Abstr.). Link to abstract