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. 2015 Feb 26;15:49. doi: 10.1186/s12866-015-0386-8

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© Park et al.; licensee BioMed Central. 2015

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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The fecal endotoxin levels. LAL assay was used to measure the fecal endotoxin concentration (EU/g feces). All values are indicated as the mean ± SD. *, p < 0.05 compared with UTC adults. LVC, longevity village communities; UTC, urbanized town communities.