Overall Survival and Long-Term Safety of Nivolumab (Anti–Programmed Death 1 Antibody, BMS-936558, ONO-4538) in Patients With Previously Treated Advanced Non–Small-Cell Lung CancerScott Gettinger, Julie R. Brahmer, David R. Spigel et al.|Journal of Clinical Oncology|2015Cited by 1.2k