This slide shows the global prevalence of multiple sclerosis. Based upon <a class="external free" href="https://en.wikipedia.org/wiki/Image:MS_Risk.jpg">http://en.wikipedia.org/wiki/Image:MS_Risk.jpg</a>
<a href="//commons.wikimedia.org/w/index.php?title=User:Dekoder&amp;action=edit&amp;redlink=1" class="new" title="User:Dekoder (page does not exist)">Dekoder</a>
2009-06-11
<span class="int-own-work" lang="en">Own work</span>