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. 2018 Apr 4;7:e13. doi: 10.1017/jns.2017.69

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© The Author(s) 2018

This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 2. — Free tryptophan (TRP) levels in term (-■-) and preterm (--) expressed breast milk (EBM) from day 7 to day 14. Results are means, with standard errors represented by vertical bars. See Supplementary Table S1 for the number of data points used. Free TRP levels were significantly lower in preterm EBM compared with term EBM (P < 0·05). * P < 0·05 (two-way ANOVA).

Inline graphic — Free tryptophan (TRP) levels in term (-■-) and preterm (--) expressed breast milk (EBM) from day 7 to day 14. Results are means, with standard errors represented by vertical bars. See Supplementary Table S1 for the number of data points used. Free TRP levels were significantly lower in preterm EBM compared with term EBM (P < 0·05). * P < 0·05 (two-way ANOVA).