Diagnostic and therapeutic medical devices for safer blood management in cardiac surgery; systematic reviews, observational studies and randomised controlled trials by Murphy, G, Mumford, A, Ca, R, Wordsworth, S, Stokes, E, V., V, Kumar, T, Harris, J, Clayton, G, Ellis, L, Plummer, Z, Dott, W, Serraino, G, Wozniak, M, Morris, T, Nath, M, Sterne, J, Angelini, G, Reeves, B