. 2014 Mar 27;2014:121782. doi: 10.1155/2014/121782
Copyright © 2014 Iztok Fister Jr. 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 4.
Results of the Friedman nonparametric test.