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. 2017 Apr 5;4:40. doi: 10.3389/fvets.2017.00040

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Copyright © 2017 Franklin, Birdwhistell, Strelchik, Garner and Brainard.

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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Transforming growth factor-β1 (TGF-β1) concentration. HGT, human γ-thrombin; CaCl₂, calcium chloride; Not Act, not activated. The middle line represents the median, the ends of the box are the 25th and 75th percentiles, and the whiskers are the minimum and maximum values. Activation treatment group had a significant effect on TGF-β1 concentration (p < 0.01). If two groups share a common letter they are not significantly different (p > 0.05).