Can we improve the detection of heart valve disease?. Issue 4 (30th May 2013) - Arden, Chris; Chambers, John B; Sandoe, Jonathan; Ray, Simon; Prendergast, Bernard; Taggart, David; Westaby, Stephen; Grothier, Lucy; Wilson, Jo; Campbell, Brian; Gohlke-Bärwolf, Christa; Mestres, Carlos A; et al.