Observational Study
Copyright ©The Author(s) 2017.
World J Gastroenterol. Jan 28, 2017; 23(4): 723-729
Published online Jan 28, 2017. doi: 10.3748/wjg.v23.i4.723
Figure 1
Figure 1 Flow of enrollment of patients with peptic ulcer.
Figure 2
Figure 2 Kaplan-Meier survival curves for various outcomes.