Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Gastrointestinal tract:

This text has been unreferenced on Wikipedia for a very long time. If you can't find a source, be bold and remove it!

"

Beneficial intestinal bacteria compete with potentially harmful bacteria for space and "food", as the intestinal tract has limited resources. A ratio of 80–85% beneficial to 15–20% potentially harmful bacteria is proposed for maintaining homeostasis.[citation needed] An imbalanced ratio results in dysbiosis.