Created at	Source	Raw Value	Validated value
June 25, 2024, noon	usa	inclusion criteria: * males and females aged 18 to 75 years * who did not take vitamin d supplementation * covid-19 clinical features * signed informed consent to participate in the research.	inclusion criteria: * males and females aged 18 to 75 years * who did not take vitamin d supplementation * covid-19 clinical features * signed informed consent to participate in the research.
Dec. 23, 2021, 3:30 a.m.	usa	inclusion criteria: males and females aged 18 to 75 years who did not take vitamin d supplementation covid-19 clinical features signed informed consent to participate in the research.	inclusion criteria: males and females aged 18 to 75 years who did not take vitamin d supplementation covid-19 clinical features signed informed consent to participate in the research.