Review for 10.1186/s12876-020-01590-8 (2021)

Reviewer’s report
Title: 
Utility of a 21-gauge Menghini-type biopsy needle with rolling method for an endoscopic
ultrasound-guided histological diagnosis of autoimmune pancreatitis: a retrospective study
Version: 
1 
Date: 
21 Nov 2020
Reviewer's report:
Author's reply is very clear. Corrections and response are good. There are no more questions and
comments.
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Is the study design appropriate to answer the research question (including the use of appropriate controls),
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