Cite
MLA Citation
David A Jolliffe et al.. “Effect of a test-and-treat approach to vitamin D supplementation on risk of all cause acute respiratory tract infection and covid-19: phase 3 randomised controlled trial (CORONAVIT).” BMJ, vol. 378, 2022, p. . http://access.bl.uk/ark:/81055/vdc_100164510729.0x00004d