BibTex format
@article{COVIDSurg:2021:bjs/znab183,
author = {COVIDSurg, Collaborative Co-authors},
doi = {bjs/znab183},
journal = {British Journal of Surgery},
pages = {1274--1292},
title = {Machine learning risk prediction of mortality for patients undergoing surgery with perioperative SARS-CoV-2: the COVIDSurg mortality score},
url = {http://dx.doi.org/10.1093/bjs/znab183},
volume = {108},
year = {2021}
}