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          J. Thorac. Cardiovasc. Surg. · Feb 2021 Comment LetterFacing the small aortic root in aortic valve replacement: Enlarge or not enlarge?- Andrea De Martino, Aldo D Milano, and Uberto Bortolotti.
- Cardiothoracic and Vascular Department, University of Pisa, Pisa, Italy.
- J. Thorac. Cardiovasc. Surg. 2021 Feb 1; 161 (2): e157-e158.
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