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. 2010 Jul 21;16(27):3450–3456. doi: 10.3748/wjg.v16.i27.3450

Figure 4.

Figure 4

Funnel plots. A: 7 articles in the meta-analysis of survival during follow-up 1-year after treatment; B: 8 articles in the meta-analysis of survival during follow-up 3-years after treatment; C: 9 articles in the meta-analysis of survival up to the end of follow-up; D: 5 articles in the meta-analysis of recurrence during follow-up 1-year after treatment; E: 6 articles in the meta-analysis of recurrence during follow-up 3-years after treatment; F: 8 articles in the meta-analysis of recurrence up to the end of follow-up.