Review for 10.1186/s12876-020-01457-y (2020)

Reviewer ’s report  
 
Title: Underwater versus conventional endoscopic mucosal resection  for small size 
nonpedunculated colorectal polyps ：A randomized controlled trial  
 
Version: 1 Date: 18 Jul 2020  
 
Reviewer's report:  
 
fine with me after revision!  
 
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No 
 
Are the methods appropriate and well described?  
If not, please specify what is required in your comments to the authors.  
 
Yes 
 
Does the work include the necessary controls?  
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Yes 
 
Are the conclusions drawn adequately supported by the data shown?  
If not, please explain in your comments to the authors.  
 
Yes 
 
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additional statistical review?  
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assessment in your comments to the editors.  
I am able to assess the statistics  
 
Quality of written English  
Please indicate the quality of language in the manuscript:  
 
Acceptable  
 
Declaration of competing interests  
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