. 2010 Jun 21;2010:569345. doi: 10.1155/2010/569345
Copyright © 2010 Filipa Ventura 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 1.
Nodular lesions located on the upper lip.