【図表】
出典: https://link.springer.com/article/10.1007/s40520-020-01570-8/figures/1
【論文】
◆The role of vitamin D in the prevention of coronavirus disease 2019 infection and mortality (Aging Clinical and Experimental Research,2020/05/06)
著者: Petre Cristian Ilie, Simina Stefanescu & Lee Smith
https://link.springer.com/article/10.1007/s40520-020-01570-8