Review for 10.1186/s12876-021-01926-y (2021)

Reviewer’s report
Title: 
Severe spruelike enteropathy and collagenous colitis caused by olmesartan
Version: 
1 
Date: 
12 Aug 2021
Reviewer's report:
I am now happy with this paper. Since we are now told that the patient is DQ4
and DQ6 positive, it can be omitted that he was DQ2 and DQ8 negative (pag 8,
line 71). It is obvious 
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Is the study design appropriate to answer the research question (including the use
of appropriate controls), and are the conclusions supported by the evidence
presented?
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