Venetoclax resistance and acquired BCL2 mutations in chronic lymphocytic leukemia - Tausch, Eugen; Close, William; Dolnik, Anna; Bloehdorn, Johannes; Chyla, Brenda; Bullinger, Lars; Döhner, Hartmut; Mertens, Daniel; Stilgenbauer, Stephan (Haematologica (Roma), 2019)