Phase II trial of ponatinib in patients with bevacizumab‐refractory glioblastoma oleh Eudocia Q. Lee, Alona Muzikansky, Dan G. Duda, Sarah Gaffey, Jorg Dietrich, Lakshmi Nayak, Ugonma N. Chukwueke, Rameen Beroukhim, Lisa Doherty, Caroline Kane Laub, Debra LaFrankie, Brittney Fontana, Jennifer Stefanik, Sandra Ruland, Victoria Caruso, Jennifer Bruno, Keith Ligon, David A. Reardon, Patrick Y. Wen