Ferrero, P., Chessa, M., Piazza, I., Bonino, C., Ferrari, I., Giamberti, A., Ciuffreda, M. and 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 (Mar. 2021). DOI:https://doi.org/10.4081/itjm.2021.1397.