Retrospective Cohort Study
Copyright ©The Author(s) 2017.
World J Gastroenterol. Jan 28, 2017; 23(4): 629-637
Published online Jan 28, 2017. doi: 10.3748/wjg.v23.i4.629
Figure 1
Figure 1 One-year survival function (time to death) of the included patients (Kaplan-Meier).