. 2013 Dec 10;2013:756095. doi: 10.1155/2013/756095
Copyright © 2013 Xue-Mei Bian 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.
Flowchart of the randomized, controlled trial.