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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. A second update on mapping the human genetic architecture of COVID-19
3. Impact of Bacillus Calmette-Gue´rin (BCG) vaccination on postoperative mortality in patients with perioperative SARS-CoV-2 infection
4. Minimal information for studies of extracellular vesicles (MISEV2023): From basic to advanced approaches
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