A double-blinded randomised controlled trial of vitamin A drops to treat post-viral olfactory loss: study protocol for a proof-of-concept study for vitamin A nasal drops in post-viral olfactory loss (APOLLO)

Peer Review reports

Original Submission
16 May 2022	Submitted	Original manuscript
28 Jun 2023	Reviewed	Reviewer Report - Kaiden Jobin
14 Jul 2023	Reviewed	Reviewer Report - Tasneem Karani
18 Sep 2023	Author responded	Author comments - Kala Roopa Kumaresan
Resubmission - Version 2
18 Sep 2023	Submitted	Manuscript version 2
Publishing
28 Sep 2023	Editorially accepted
12 Oct 2023	Article published	10.1186/s40814-023-01402-2

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