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. 2016 Jun 14;7:850. doi: 10.3389/fmicb.2016.00850

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Copyright © 2016 Wang, Ungerfeld, Wang, Zhou, Basang, Ao and Tan.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Relationship between butyrate molar percentage and concentration of dissolved and gaseous H₂. (A) butyrate% = 8.14 (±0.35; P < 0.001) ± 0.92 (±0.26; P = 0.002) diet + 0.23 (±0.061; P = 0.001) H_{2 (aq)}; R² = 0.71 (P < 0.001); (B) butyrate% = 7.35 (±0.48; P < 0.001) ±0.67 (±0.28; P = 0.025) diet + 0.32 (±0.077; P < 0.001) H_{2 (g)}; R² = 0.66 (P < 0.001).