. 2019 Jul 1;2019:5707150. doi: 10.1155/2019/5707150
Copyright © 2019 Yizel Becerril-Alarcón et al.
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.
Study design and sample collection.