Review for 10.1186/s12876-021-02034-7 (2022)

Reviewer’s report
Title: 
Effect of Helicobacter pylori infection on malignancy of undifferentiated-
type gastric cancer
Version: 
1 
Date: 
16 Oct 2021
Reviewer's report:
1) General comments
Dr. Tanaka, et al. revised 'Effect of Helicobacter pylori infection on malignancy
of undifferentiated-type gastric cancer'. This article is informative and well
presented. The reviewer has no comments.
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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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from apparent manipulation?
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