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. 2020 Nov 1;8(11):1715. doi: 10.3390/microorganisms8111715

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© 2020 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Changes in the Firmicutes/Bacteroidetes (F/B) ratio can cause obesity or inflammatory bowel disease. Specific probiotics can restore the gut microbial balance by influencing the F/B ratio. ↑ means increase; ↓ means decrease.