Review for 10.1186/s12876-021-01803-8 (2021)

Reviewer’s report
Title: 
Anti-IL-4Ralpha monoclonal antibody dupilumab mimics ulcerative colitis: A case report
Version: 
1 
Date: 
22 Apr 2021
Reviewer's report:
This is a very interesting case report on therapeutic 
anti-interleukin agent and its potential role in the
aetiology of ulcerative colitis.
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Is the study design appropriate to answer the research question (including the use of appropriate controls),
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