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: 
09 Dec 2020
Reviewer: 
Takeshi Hisa
Reviewer's report:
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