Ferrero, P., Chessa, M., Piazza, I., Bonino, C., Ferrari, I., Giamberti, A., Ciuffreda, M., & Dimopoulos, K. (2021). COVID-19 in adults with congenital heart disease: early morbidity and mortality in two northern Italian specialist centers. Italian Journal of Medicine, 15(1). https://doi.org/10.4081/itjm.2021.1397