Review for 10.1186/s12876-020-01220-3 (2020)

Reviewer ’s report  
 
Title: Effectiveness of concomitant use of green tea and polyethyl ene glycol in bowel 
preparation for colonoscopy: A randomized control led study  
 
Version: 2 Date: 25 Feb 2020  
 
Reviewer: Lawrence  Hookey  
 
Reviewer's report:  
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Are the methods appropriate and well described?  
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Yes 
 
Does the work include the necessary controls?  
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Yes 
 
Are the conclusions drawn adequately supported by the  data shown?  
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Yes 
 
Are you able to assess any statistics in the manus cript or would you recommend an 
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I am able to assess the statistics  
 
Quality of written English  
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Acceptable  
 
Declaration of competing interests  
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