Bohlke, R. A., R. C. Thaler, and H. H. Stein. 2005. Calcium, phosphorus, and amino acid digestibility in low-phytate corn, normal corn, and soybean meal by growing pigs. J. Anim. Sci.83:2396-2403. Link to full text (.pdf)
Petersen, G. I., M. R. Smiricky-Tjardes, and H. H. Stein. 2005. Apparent and standardized ileal digestibility of amino acids in gelatin-based diets by growing pigs. Anim. Feed Sci. Technol. 119:107-115. Link to full text (.pdf)
Stein, H. H., G. Benzoni, R. A. Bohlke, and D. N. Peters. 2004. Assessment of the feeding value of South Dakota-grown field peas (Pisum sativum L.) for growing pigs. J. Anim. Sci. 82:2568-2578. Link to full text (.pdf)
Stein, H. H., S. W. Kim, T. T. Nielsen, R. A. Easter. 2001. Standardized ileal protein and amino acid digestibility by growing pigs and sows. J. Anim. Sci. 79:2113-2122. Link to full text (.pdf)
Stein, H. H., S. Aref, and R. A. Easter. 1999. Comparative protein and amino acid digestibilities in growing pigs and sows. J. Anim. Sci. 77:1169-1179. Link to full text (.pdf)