. 2019 Mar 21;2019:8498603. doi: 10.1155/2019/8498603
Copyright © 2019 Xueqing Yu 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 5.
PR group versus control group, SGRQ/SGRQ-I.