Reviewer's report
Title:Upper Gastrointestinal Bleeding due to Peptic Ulcer Disease is Not
Associated with Air Pollution: A Case-Crossover Study
Version:1Date:7 July 2015
Reviewer: Leif Percival P Andersen
Reviewer's report:
I have read the paper and find it very good and well written.
The purpose is clear and well defined and the methods are approipriate and well
described.
Data and tables are sound and clear.
Discussion and conclusion are well balanced and limitations of the work is clearly
stated.
Title and abstract cover the findings sufficiently.
I think the paper can be accepted as it is.
Reviewer's report
Title:Upper Gastrointestinal Bleeding due to Peptic Ulcer Disease is Not
Associated with Air Pollution: A Case-Crossover Study
Version:1Date:7 July 2015
Reviewer: Leif Percival P Andersen
Reviewer's report:
I have read the paper and find it very good and well written.
The purpose is clear and well defined and the methods are approipriate and well
described.
Data and tables are sound and clear.
Discussion and conclusion are well balanced and limitations of the work is clearly
stated.
Title and abstract cover the findings sufficiently.
I think the paper can be accepted as it is.
Please review this paper.
user
Reviewer's report
Title:Upper Gastrointestinal Bleeding due to Peptic Ulcer Disease is Not
Associated with Air Pollution: A Case-Crossover Study
Version:1Date:7 July 2015
Reviewer: Leif Percival P Andersen
Reviewer's report:
I have read the paper and find it very good and well written.
The purpose is clear and well defined and the methods are approipriate and well
described.
Data and tables are sound and clear.
Discussion and conclusion are well balanced and limitations of the work is clearly
stated.
Title and abstract cover the findings sufficiently.
I think the paper can be accepted as it is.
assistant