%0 Journal Article %T Preface—frozen elephant trunk %A Bartolomeo, Roberto Di %A Pacini, Davide %J Annals of Cardiothoracic Surgery %D 2020 %B 2020 %9 %! Preface—frozen elephant trunk %K %X %U https://www.annalscts.com/article/view/16743 %V 9 %N 3 %P E1 %@ 2304-1021