More Groups
Fewer Groups
More People
Fewer People
Pfister, D. G. Cancer Investigation (2007)
Pfister, D. G.; Sherman, E. J.; Wolden, S. L. Cancer Investigation (2001)
Casper, E. S.; Waltzman, R. J.; Schwartz, G. K.; Sugarman, A.; Pfister, D.; Ilson, D.; Woodruff, J.; Leung, D.; Bertino, J. R. Cancer Investigation (1998)
Pfister, D. G. Cancer Investigation (1995)
Pfister, D. G.; Bosl, G. J. Cancer Investigation (1991)