Created at	Source	Raw Value	Validated value
July 8, 2021, 4 a.m.	usa	inclusion criteria: - 18 years or older. - patients with post-viral olfactory dysfunction > 4 weeks. - history of positive covid-19 pcr.	inclusion criteria: - 18 years or older. - patients with post-viral olfactory dysfunction > 4 weeks. - history of positive covid-19 pcr.