Comparing efficacy and safety between Naldebain® and intravenous patient-controlled analgesia with fentanyl for pain management post-laparotomy: study protocol for a randomized controlled, non-inferior trial

Peer review reports

Original Submission
3 Mar 2018	Submitted	Original manuscript
12 Oct 2018	Reviewed	Reviewer Report - Paul Lee-Archer
16 Dec 2018	Reviewed	Reviewer Report - Ana Kowark
31 Dec 2018	Author responded	Author comments - Hsiang-Lin Tsai
Resubmission - Version 2
31 Dec 2018	Submitted	Manuscript version 2
24 Feb 2019	Author responded	Author comments - Hsiang-Lin Tsai
24 Feb 2019	Reviewed	Reviewer Report - Ana Kowark
Resubmission - Version 3
24 Feb 2019	Submitted	Manuscript version 3
Publishing
27 Feb 2019	Editorially accepted
18 Mar 2019	Article published	10.1186/s13063-019-3260-4

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