Decision Tree Model for Second-Line Ipilimumab: See format and conventions described in <b>Figure 1</b>.

<p>Decision Tree Model for Second-Line Ipilimumab: See format and conventions described in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0107255#pone-0107255-g001" target="_blank"><b>Figure 1</b></a>.</p>