Retrospective Study
Copyright ©The Author(s) 2017.
World J Gastroenterol. Dec 21, 2017; 23(47): 8387-8394
Published online Dec 21, 2017. doi: 10.3748/wjg.v23.i47.8387
Figure 2
Figure 2 Kaplan-Meier curves for the recurrence-free survival of non-, light, and heavy smokers.