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Aoyama, R., Futami, S., Tanaka, J. et al. Transcatheter aortic valve implantation using Evolut R in quadricuspid aortic valve with severe stenosis and regurgitation. Cardiovasc Interv and Ther 34, 285–287 (2019). https://doi.org/10.1007/s12928-018-0544-7
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DOI: https://doi.org/10.1007/s12928-018-0544-7