Steven Coutre, Alessandra Tedeschi, Tadeusz Robak, Paul M. Barr, Carolyn Owen, Osnat Bairey, Jan Burger, Cathy Zhou, Lori Styles, Danelle F. James, Thomas J. Kipps. Survival adjusting for crossover: phase 3 study of ibrutinib vs. chlorambucil in older patients with untreated chronic lymphocytic leukemia/small lymphocytic lymphoma. haematol [Internet]. 2018Jun.3 [cited 2024Nov.24];103(6):e249-e251. Available from: https://haematologica.org/article/view/8501