Postoperative adjuvant chemotherapy or radiation therapy for rectal cancer: Results from NSABP protocol r-01

Bernard Fisher, Norman Wolmark, Howard Rockette, Carol Redmond, Melvin Deutsch, D. Lawrence Wickerham, Edwin R. Fisher, Richard Caplan, Judith Jones, Harvey Lerner, Philip Gordon, Merrill Feldman, Anatolio Cruz, Sandra Legault-poisson, Marvin Wexler, Walter Lawrence, Andre Robidoux