| web | http://www.washingtonpost.com/national/health-science/the-microbes-in-your-gut-may-be-making-you-fat-or-keeping-you-thin/2013/12/06/6f186da2-488b-11e3-a196-3544a03c2351_story.html |
| author | Marlene Cimons |
| publication | Washington Post |
| date | 2013-12-09 |
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