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1. Machine learning risk prediction of mortality for patients undergoing surgery with perioperative SARS-CoV-2: The COVIDSurg mortality score
2. The global NAFLD policy review and preparedness index: Are countries ready to address this silent public health challenge?
3. SARS-CoV-2 vaccination modelling for safe surgery to save lives: data from an international prospective cohort study
4. Impact of Bacillus Calmette-Gue´rin (BCG) vaccination on postoperative mortality in patients with perioperative SARS-CoV-2 infection
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