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

Peer Review reports

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
Publishing
16 Sep 2017	Editorially accepted
11 Oct 2017	Article published	10.1186/s13063-017-2197-8

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