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Open Peer Review Reports for: Sedation with propofol during ERCP: is the combination with esketamine more effective and safer than with alfentanil? Study protocol for a randomized controlled trial

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Pre-publication versions of this article are available by contacting

Original Submission
29 Mar 2017 Submitted Original manuscript
7 Jun 2017 Reviewed Reviewer Report - JJ Vargo
27 Jul 2017 Author responded Author comments - Susanne Eberl
Resubmission - Version 2
27 Jul 2017 Submitted Manuscript version 2
14 Sep 2017 Reviewed Reviewer Report - JJ Vargo
Resubmission - Version 3
Submitted Manuscript version 3
16 Sep 2017 Editorially accepted
11 Oct 2017 Article published 10.1186/s13063-017-2197-8

How does Open Peer Review work?

Open peer review is a system where authors know who the reviewers are, and the reviewers know who the authors are. If the manuscript is accepted, the named reviewer reports are published alongside the article. Pre-publication versions of the article are available by contacting

You can find further information about the peer review system here.