. 2022 Mar 14;2022:2939921. doi: 10.1155/2022/2939921
Copyright © 2022 Yonggang Tian and Dekui Zhang.
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 1.
Compositional pattern of four gut barriers.