More Groups
Fewer Groups
More People
Fewer People
Panageas, K. S.; Schrag, D.; Riedel, E.; Bach, P. B.; Begg, C. B. Annals of Internal Medicine (2003)
Schrag, D.; Gelfand, S. E.; Bach, P. B.; Guillem, J.; Minsky, B. D.; Begg, C. B. Journal of Clinical Oncology (2001)