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. 2012 Oct 21;18(39):5608–5615. doi: 10.3748/wjg.v18.i39.5608

Table 1.

Randomized controlled trials involved in the meta-analysis

Year Author Region Total SEMS Surgery Concealment of allocation Jaded score Quality
2009 Cheung Hongkong 60 30 30 Appropriant 5 High
2010 Pirlet France 48 24 24 Appropriant 5 High
2011 Van Hooft Holland 98 47 51 Appropriant 5 High

SEMS: Self-expandable metallic stent.