Zeitani Jacob, Bertoldo Fabio, Nardi Paolo, Iaci Giuseppe, Polisca Patrizio, De Paulis Ruggero, de Peppo Alfonso Penta, Chiariello Luigi
Division of Cardiac Surgery, Tor Vergata University of Rome, Italy.
J Heart Valve Dis. 2004 May;13 Suppl 1:S63-7.