More Groups
Fewer Groups
More People
Fewer People
Meyerhardt, J. A.; Catalano, P. J.; Schrag, D.; Ayanian, J. Z.; Haller, D. G.; Mayer, R. J.; MacDonald, J. S.; Benson, A. B.; Fuchs, C. S. Annals of Internal Medicine (2003)
Safdar, A.; Armstrong, D.; Murray, H. W. Annals of Internal Medicine (2003)
Winawer, S. J. Annals of Internal Medicine (2003)
Panageas, K. S.; Schrag, D.; Riedel, E.; Bach, P. B.; Begg, C. B. Annals of Internal Medicine (2003)