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. Author manuscript; available in PMC: 2015 Dec 1.
Published in final edited form as: Clin Nutr. 2013 Nov 9;33(6):1024–1032. doi: 10.1016/j.clnu.2013.11.004

Figure 2.

Figure 2

The basic principle of measuring protein digestibility with 15N-labelled protein and 2H5-labelled phenylalanine.