. 2010 Nov 15;10:80. doi: 10.1186/1472-6920-10-80
Copyright ©2010 Levitt; licensee BioMed Central Ltd.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 3.
Same as figure 2 for females.