MDR1 expression predicts outcome of Ph plus chronic phase CML patients on second-line nilotinib therapy after imatinib failure - Agrawal, Mridul; Hanfstein, Benjamin; Erben, Philipp; Fabarius, Alice; Saußele, Susanne; Hofmann, Wolf-Karsten; Hehlmann, Rüdiger; Müller, Martin Christian (Leukemia, 2014)