Saad A 1

1. Machine learning risk prediction of mortality for patients undergoing surgery with perioperative SARS-CoV-2: The COVIDSurg mortality score
2. Effect of COVID-19 pandemic lockdowns on planned cancer surgery for 15 tumour types in 61 countries: an international, prospective, cohort study
3. Cohort profile: the ESC EURObservational Research Programme Non-ST-segment elevation myocardial infraction (NSTEMI) Registry
4. Congenital heart disease in the ESC EORP Registry of Pregnancy and Cardiac disease (ROPAC)
5. Congenital heart disease in the ESC EORP Registry of Pregnancy and Cardiac disease (ROPAC)
6. Impact of Bacillus Calmette-Gue´rin (BCG) vaccination on postoperative mortality in patients with perioperative SARS-CoV-2 infection
7. Pregnancy outcomes in women after arterial switch operation for transposition of the great arteries: Results from ropac (registry of pregnancy and cardiac disease) of the european society of cardiology eurobservational research programme
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