A 70% cut-off for MYC protein expression in diffuse large B cell lymphoma identifies a high-risk group of patients oleh Marita Ziepert, Stefano Lazzi, Raffaella Santi, Federica Vergoni, Massimo Granai, Virginia Mancini, Annette Staiger, Heike Horn, Markus Löffler, Viola Pöschel, Gerhald Held, Gerald Wulf, Lorenz H. Trümper, Norbert Schmitz, Andreas Rosenwald, Elena Sabattini, Kikkeri N. Naresh, Harald Stein, German Ott, Lorenzo Leoncini