Review for 10.1186/s12876-022-02167-3 (2022)

Reviewer’s report
Title: 
Recurrent umbilical varix rupture with hemoperitoneum: a case report and
review of literature
Version: 
2 
Date: 
19 Dec 2021
Reviewer's report:
I have no question after revision.
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Is the study design appropriate to answer the research question (including the use
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