2021

1. Effect of COVID-19 pandemic lockdowns on planned cancer surgery for 15 tumour types in 61 countries: an international, prospective, cohort study

   The Lancet Oncology, Vol. 22, Núm. 11, pp. 1507-1517

2. Impact of Bacillus Calmette-Gue´rin (BCG) vaccination on postoperative mortality in patients with perioperative SARS-CoV-2 infection

   BJS Open

3. Impact of COVID-19 on vascular patients worldwide: Analysis of the COVIDSurg data

   Journal of Cardiovascular Surgery, Vol. 62, Núm. 6, pp. 558-570

4. Machine learning risk prediction of mortality for patients undergoing surgery with perioperative SARS-CoV-2: The COVIDSurg mortality score

   British Journal of Surgery, Vol. 19, Núm. 4