An unexpected image on transesophageal echocardiography: A hyperechogenic ring on the aortic cusp

Turk Gogus Kalp Damar Cerrahisi Derg. 2021 Oct 20;29(4):556-558. doi: 10.5606/tgkdc.dergisi.2021.21705. eCollection 2021 Oct.
No abstract available