Overall survival among children with acute lymphoblastic leukemia who were enrolled in Children's Cancer Group and Children's Oncology Group clinical trials, 1968–2009. Overall survival among children with acute lymphoblastic leukemia who were enrolled in Children's Cancer Group and Children's Oncology Group clinical trials, 1968–2009. Reprinted with permission from Hunger SP, Mullighan CG. Acute lymphoblastic leukemia in children. N Engl J Med. 2015;373(16):1541–1552. Joel A. Kaplan Pediatrics in Review 2019;40:319-331 ©2019 by American Academy of Pediatrics