More Groups
Fewer Groups
More People
Fewer People
Harlap, S.; Zauber, A. G.; Pollack, D. M.; Tang, J.; Arena, A. E.; Sternfels, P.; Borgen, P.; Norton, L. Cancer (1998)
McCormick, B.; Begg, C. B.; Norton, L.; Yao, T. J.; Kinne, D. Journal of Clinical Oncology (1993)