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)

Kala Kumaresan, Sara Bengtsson, Saber Sami, Allan Clark, Thomas Hummel, James Boardman, Juliet High, Rashed Sobhan, Carl Philpott

Research output: Contribution to journal › Article › peer-review

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