Choice of a mechanical valve or a bioprosthesis for AVR: does CABG matter? - Puvimanasinghe,J.PA.; Takkenberg,J.JM.; Eijkemans,M.JC.; Steyerberg,E.W.; van Herwerden,L.A.; Grunkemeier,G.L.; Habbena,J.DF.; Bogers,A.JJC. (Eur J Cardiothoracic Surg, 2003)