Stein, H. H. and R. A. Easter. 1996. A technique for inserting a simple T-Cannula in the terminal ileum of pregnant sows. J. Anim. Sci. 74(Suppl. 1):190 (Abstr.)
Pahm, A. A., C. Pedersen, D. Hoehler, and H. H. Stein. 2008. Factors affecting the variability in ileal amino acid digestibility in corn distillers dried grains with solubles fed to growing pigs. J. Anim. Sci. 86:2180-2189. Link to full text (.pdf)
Mateo, C. D., and H. H. Stein. 2007. Apparent and standardized ileal digestibility of amino acids in yeast extract and spray dried plasma protein by weanling pigs. Can. J. Anim. Sci. 87:381-383. Link to full text (.pdf)
Stein, H. H. and M. Nyachoti. 2003. Animal effects on ileal amino acid digestibility. P. 223-241 in R. O. Ball (Ed.): Proc. 9th Intl. Symp. Digest. Phys. in Pigs, Vol. 1. Banff, Canada. Link to full text (.pdf)