biostudies-literatureUnknown31(4)Holm HTexas Heart Institute journal450-1https://www.ebi.ac.uk/biostudies/studies/S-EPMC548255biostudies-literatureQuadricuspid aortic valve.PMC548255Jacobson SReul GJStainback RFHolm HfalseQuadricuspid aortic valve.2004-01-01T00:00:00Z20042025-04-20T01:37:10.039Z2025-04-20T01:37:10.039ZS-EPMC54825515745305