. 2011 Jun 9;2011:528685. doi: 10.4061/2011/528685
Copyright © 2011 Mercedes Moreiras-Plaza 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 2.
Example of COOP/WONCA charts.