For citations:
Baumgartner H., De Backer J., Babu-Narayan S.V., Budts W., Chessa M., Diller G., Iung B., Kluin J., Lang I.M., Meijboom F., Moons P., Mulder B.J., Oechslin E., Schwerzmann M., Sondergaard L., Zeppenfeld K. 2020 ESC Guidelines for themanagement of adult congenital heart disease. Russian Journal of Cardiology. 2021;26(9):4702. (In Russ.) https://doi.org/10.15829/1560-4071-2021-4702