Brief Article
Copyright ©2012 Baishideng Publishing Group Co.
World J Gastroenterol. Mar 28, 2012; 18(12): 1357-1364
Published online Mar 28, 2012. doi: 10.3748/wjg.v18.i12.1357
Figure 1
Figure 1 Survival from the start of second-line therapy. A: Overall survival; B: Progression-free survival.