Review for 10.1186/s12876-021-01623-w (2021)

Reviewer’s report
Title: 
Premedication with reformulated simethicone and sodium bicarbonate
improves mucosal visibility during upper gastrointestinal endoscopy: A double-
blind, multicenter, randomized controlled trial
Version: 
1 
Date: 
25 Oct 2020
Reviewer's report:
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I congratulate the authors for the current study. The objectives are clear. The
appropriate methodology. The results repeat those already known. I do not
identify new facts. There are no new impacts in daily practice. I don't think there
is any relevance to your acceptance.
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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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