Potent antimyeloma activity of the novel bromodomain inhibitors I-BET151 and I-BET762 by Chaidos, A, Caputo, V, Gouvedenou, K, Liu, B, Marigo, I, Chaudhry, M, Rotolo, A, Tough, DF, Smithers, NN, Bassil, AK, Chapman, TD, Harker, NR, Barbash, O, Tummino, P, Al-Mahdi, N, Haynes, AC, Cutler, L, Le, B, Rahemtulla, A, Roberts, I, Kleijnen, M, Witherington, J, Parr, NJ, Prinjha, RK, Karadimitris, A