Pacini, D., Marco, L.D., Suarez, S.M., Botta, L., Savini, C., Bracchetti, G., Cattabriga, I. and Bartolomeo, R.D. 2006. Aortic Valve-Sparing Operations: Early and Midterm Results. The Heart Surgery Forum. 9, 3 (May 2006), E650-E656. DOI:https://doi.org/10.1532/HSF98.2005-1177.