Observational Study
Copyright ©The Author(s) 2015.
World J Gastrointest Oncol. Jun 15, 2015; 7(6): 47-54
Published online Jun 15, 2015. doi: 10.4251/wjgo.v7.i6.47
Figure 1
Figure 1 Kaplan-Meier survival curve for progression free survival.