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Copyright ©The Author(s) 2019.
World J Gastroenterol. Jan 14, 2019; 25(2): 190-204
Published online Jan 14, 2019. doi: 10.3748/wjg.v25.i2.190
Figure 1
Figure 1 Yearly trends of perforation rates.
Figure 2
Figure 2 Yearly trends of bleeding rates.