Observational Study
Copyright ©2014 Baishideng Publishing Group Inc.
World J Cardiol. Jun 26, 2014; 6(6): 502-506
Published online Jun 26, 2014. doi: 10.4330/wjc.v6.i6.502
Figure 1
Figure 1 Boxplot of mean maximum cardiac vagal tone during deep breathing for the two groups.