[LilFarmer]

Direct link:
https://www.nejm.org/doi/full/10.1056/NEJMc2009787?query=recirc_mostViewed_railB_article

[LilFarmer]

SSRN - Vitamin D Level of Mild and Severe Elderly Cases of COVID-19: A Preliminary Report

https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3593258#.XrE0oF1wSjU.twitter