@article{2021,
 title={SARS-CoV-2 vaccination modelling for safe surgery to save lives: data from an international prospective cohort study},
 volume={108},
 ISSN={1365-2168},
 url={http://dx.doi.org/10.1093/bjs/znab101},
 DOI={10.1093/bjs/znab101},
 number={9},
 journal={British Journal of Surgery},
 publisher={Oxford University Press (OUP)},
 year={2021},
 month=mar,
 pages={1056–1063} }