Review for 10.1186/s12876-022-02240-x (2022)

Reviewer’s report
Title: 
A descriptive study of high resolution total colonic intracavitary
manometry and colonic transit test in the diagnostic efficacy of functional
constipation in Chinese patients
Version: 
4 
Date: 
09 Mar 2022
Reviewer's report:
The authors have addressed all the reviewer's concerns.
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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
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