Fabbri, Nicolò, Eriminio Righini, Laura Cardarelli, Luigi Di Marco, and Carlo V. Feo. 2020. “Risks of COVID-19 Transmission in Blood and Serum During Surgery. A Prospective Cross-Sectional Study from a Single Dedicated COVID-19 Center”. Annali Italiani Di Chirurgia 91 (3):235-38. https://annaliitalianidichirurgia.it/index.php/aic/article/view/1689.