Real-time three-dimensional transoesophageal echocardiography: a new intraoperative feasible and useful technology in cardiac surgery Int J Cardiovasc Imaging 16 April Apr 2010 16 years ago Gripari P, Tamborini G, Barbier P, Maltagliati AC, Galli CA, Muratori M, Salvi L, Sisillo E, Alamanni F, Pepi M