More Groups
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More People
Fewer People
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Yamada, Y.; Kim, M.; Cohen, G.; Zaider, M.; Venkatraman, E.; Wallner, K. E.; Zelefsky, M. J. International Journal of Radiation Oncology, Biology, Physics (2000)
Gelblum, D. Y.; Potters, L.; Ashley, R.; Waldbaum, R.; Wang, X. H.; Leibel, S. International Journal of Radiation Oncology, Biology, Physics (1999)