Review for 10.1186/s12876-019-0986-0 (2019)

Reviewer ’s report  
 
Title: Topic: Detection of Helicobacter pylori and its virulen ce genes (cagA, dupA, and vacA) 
among patients with gastroduodenal diseases in Chris Hani  Baragwanath Academic Hospital, 
South Africa  
 
Version: 1 Date: 31 Jan 2019  
 
Reviewer: Amin Taleb i Bezmin Abadi  
 
Reviewer's report:  
 
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It is now acceptable for publication  
 
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 
 
Are you able to assess any statistics in the manuscript or would you rec ommend an 
additional statistical review?  
If an additional statistical review is recommended, please speci fy what aspects require further 
assessment in your comments to the editors.  
 
I am able to assess the statistics  
 
Quality of written English  
Please indicat e the quality of language in the manuscript:  
 
Acceptable  
Declaration of competing interests  
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