Cite
MLA Citation
William J Hulme et al.. “Comparative effectiveness of ChAdOx1 versus BNT162b2 covid-19 vaccines in health and social care workers in England: cohort study using OpenSAFELY.” BMJ, vol. 378, 2022, p. . http://access.bl.uk/ark:/81055/vdc_100160103946.0x00004c