Retrospective Study
Copyright ©The Author(s) 2017.
World J Gastroenterol. Apr 14, 2017; 23(14): 2566-2574
Published online Apr 14, 2017. doi: 10.3748/wjg.v23.i14.2566
Figure 1
Figure 1 Annual incidence of perforated peptic ulcer according to anatomic location.