David, Tirone E Aortic valve haemodynamics after aortic valve-sparing operations. [electronic resource] - European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery Apr 2012 - 788-9 p. digital Publication Type: Editorial; Comment ISSN: 1873-734X Standard No.: 10.1093/ejcts/ezr119 doi Subjects--Topical Terms: Aorta--surgeryAortic Valve--surgeryBlood Vessel Prosthesis Implantation--methodsHeart Valve Prosthesis Implantation--methodsHumans