. 2008 Apr 21;3:6. doi: 10.1186/1750-9378-3-6
Copyright © 2008 Dutra et al; 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 1.
Age-distribution in HPV-positive and HPV-negative women.