TY - JOUR T1 - Impact of Bacillus Calmette-Guérin (BCG) vaccination on postoperative mortality in patients with perioperative SARS-CoV-2 infection JO - BJS Open UR - https://eprints.whiterose.ac.uk/id/eprint/196254 PY - 2022/01/08 AU - COVID Surg Collaborative ED - DO - DOI: 10.1093/bjsopen/zrab131 PB - Oxford University Press (OUP) VL - 5 IS - 6 Y2 - 2025/10/31 ER -