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. 2019 Sep 25;10:1125. doi: 10.3389/fphar.2019.01125

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Copyright © 2019 Phumthum, Balslev and Barfod

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) and the copyright owner(s) 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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Linear regression model that shows the relationship between the number of medicinal species and the total number of species for plant families occuring in Thailand (R² = 0.36646).