Review for 10.1186/s12876-020-01570-y (2020)

Reviewer’s report
Title: 
Relationship between angiography timing and angiographic visualization of extravasation in
patients with acute non-variceal gastrointestinal bleeding
Version: 
1 
Date: 
26 Jul 2020
Reviewer's report:
Nice manuscript.
Some comments:
- please describe more in detail the outcomes for the 8 complications
- 1 figure of each case (blind embolization and extravasation guided embolization) could be added
- Please add the following reference: Embolization of acute nonvariceal upper gastrointestinal
hemorrhage resistant to endoscopic treatment: results and predictors of recurrent bleeding. Loffroy R, Rao
P, Ota S, De Lin M, Kwak BK, Geschwind JF. Cardiovasc Intervent Radiol. 2010 Dec;33(6):1088-100.
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