More People
Fewer People
Sim, S.; Li, J.; Chan, M.; Schupak, K.; Burman, C.; Mueller, B.; Lovelock, D. M.; Zelefsky, M. J. International Journal of Radiation Oncology, Biology, Physics (2008)
Lief, E.; Hanley, J.; Cann, D.; Schupak, K.; Potters, L.; Zaider, M.; Zelefsky, M. International Journal of Radiation Oncology, Biology, Physics (1999)