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http://journals.cambridge.org/action/displayAbstract?aid=1208236
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Peng Li,
Yu-Long Yin,
Defa Li,
Sung Woo Kim
and Guoyao Wu
(2007).
Amino acids and immune function. British Journal of Nutrition, 98
,
pp 237-252
doi:10.1017/S000711450769936X