TY - JOUR T1 - Impact of Bacillus Calmette-Guérin (BCG) vaccination on postoperative mortality in patients with perioperative SARS-CoV-2 infection JO - BJS Open 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 - 2024/12/27 ER -