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Four-leaf clover-like bicuspid aortic valve visualized by two-dimensional thoracic and three-dimensional transesophageal echocardiography

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Correspondence to Eiji Yamashita.

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Conflict of interest

Kiyoko Yoshizumi, Eiji Yamashita, Hiroki Okaniwa, Tomomi Araseki, Mihoka Iwazaki, Yasuyuki Kobayashi, and Hiroyuki Toide declare that they have no conflict of interest.

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All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1964 and later revisions. Informed consent was obtained from all patients for being included in the study.

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Yoshizumi, K., Yamashita, E., Okaniwa, H. et al. Four-leaf clover-like bicuspid aortic valve visualized by two-dimensional thoracic and three-dimensional transesophageal echocardiography. J Echocardiogr 16, 98–100 (2018) doi:10.1007/s12574-017-0361-5

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