Marks Ray, Can Vitamin D Positively Impact COVID-19 Risk and Severity Among Older Adults: A Review of the Evidence, Journal of Aging Research And Healthcare, Volume 3, Issue 3, 2020, Pages 1-14, ISSN 2474-7785, https://doi.org/10.14302/issn.2474-7785.jarh-20-3650.
(http://oap-journals.orgjarh/article/1515)
Keywords: Coronavirus; Covid-19; infection; immunity; older adults; prevention; therapeutic use of vitamin D