Review for 10.1186/s12876-020-01458-x (2020)

Reviewer’ s report
Title: A severe coronavirus disease 2019 patient with high-risk predisposing factors died from
massive gastrointestinal bleeding: a case report
Version: 0Date: 01 Sep 2020
Reviewer's report:
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Declaration of competing interests
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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?
YesAre the methods sufficiently described to allow the study to be repeated?
Yes
Is the use of statistics and treatment of uncertainties appropriate?YesIs the presentation of the work clear?YesAre the images in this manuscript (including electrophoretic gels and blots) free from apparent
manipulation?
Yes