Qintar M, Wang DD, O'Neill WW, O'Neill B, et al. Non-coaptation of an implanted caval valve leaflets for severe tricuspid
regurgitation: Rethinking the concept of "Eustachian ridge?" Catheter Cardiovasc Interv 2021 Jan 25. doi: 10.1002/ccd.29461.
PMID: 33491842