Effect of facemask oxygenation with and without positive pressure ventilation on gastric volume during anesthesia induction in patients undergoing laparoscopic cholecystectomy or partial hepatectomy: a randomized controlled trial

Peer Review reports

Original Submission
16 Sep 2022	Submitted	Original manuscript
31 Oct 2022	Reviewed	Reviewer Report
8 Nov 2022	Reviewed	Reviewer Report
22 Nov 2022	Author responded	Author comments - Zaisheng Qin
Resubmission - Version 2
22 Nov 2022	Submitted	Manuscript version 2
Publishing
26 Dec 2022	Editorially accepted
30 Dec 2022	Article published	10.1186/s12871-022-01958-1

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