The Efficacy of Olfactory Training as a Treatment for Olfactory Disorders Caused by Coronavirus Disease-2019: A Systematic Review and Meta-Analysis.
Se Hwan HwangSung Won KimMohammed Abdullah BasurrahDo Hyun KimPublished in: American journal of rhinology & allergy (2023)
Olfactory training improved olfactory disorders caused by COVID-19. Such training was effective in both the acute and chronic phases.