Review for 10.1186/s12876-019-1045-6 (2019)

Reviewer ’s report  
 
Title:  Clinical value of DPOC for detecting and removing residual common bile duct stones 
(video)  
 
Version: 0 Date: 14 Dec 2018 
 
Reviewer:  Etem  Alhan  
 
Reviewer’s report:  
 
Please include all comments for the authors in thi s box rather than uploading your report as an 
attachment. Please only upload as attachments annotated versions of manuscripts, graphs, 
supporting materials or other aspects of your report which cannot be included in a text format.  
 
Please overwrite this tex t when adding your comments to the authors.Dear Authors, I reviewed 
the paper" Clinical value of DPOC for detecting and removing residual common bile duct the 
stones (video)"..  
 
The paper is a clinical study about retained stones  with nnew methods. The number of the study 
is appropriate for this study. The study is good performed,and presented. The succes rate about 
94%. This is good results for the similar studies. The results a re good discussed. I think so that it 
can be publıshed on this journal.  
 
 
Sincerely  
 
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?  
If not, please specify which controls are required in your comments to the authors.  
 
Yes 
 
Are the conclusions drawn adequately supported by the data shown?  
If not, please explain in your comments to the authors.  
 
Yes 
 
Are you able to assess any statistics  in the manuscript or would you recommend an 
additional statistical review?  
If an additional statistical review is recommended, please specify what aspects require further 
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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1. Have you in the past five years received reimbursements, fees, funding, or salary from an 
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manuscript?  
 
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5. Do you have any other financial competing interests?  
 
6. Do you have any non -financial competing interests in relation to this paper?  
 
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I agree to the open peer review policy of the journ al