NEO: Neoadjuvant Chemotherapy, Excision and Observation for Early Rectal Cancer
Canadian Cancer Trials Group
Canadian Cancer Trials Group
AIDS Malignancy Consortium
Eastern Cooperative Oncology Group
SWOG Cancer Research Network
Radiation Therapy Oncology Group
SWOG Cancer Research Network
SWOG Cancer Research Network
AIDS Malignancy Consortium
Canadian Cancer Trials Group
Austrian Breast & Colorectal Cancer Study Group
AIDS Malignancy Consortium
Cancer Research and Biostatistics Clinical Trials Consortium
SWOG Cancer Research Network
NSABP Foundation Inc
SWOG Cancer Research Network
Canadian Cancer Trials Group
Children's Oncology Group
AIDS Malignancy Consortium
Canadian Cancer Trials Group
Canadian Cancer Trials Group
NSABP Foundation Inc
Eastern Cooperative Oncology Group
Eastern Cooperative Oncology Group
Eastern Cooperative Oncology Group
Eastern Cooperative Oncology Group
Eastern Cooperative Oncology Group
Eastern Cooperative Oncology Group
Eastern Cooperative Oncology Group
Eastern Cooperative Oncology Group
Eastern Cooperative Oncology Group
Eastern Cooperative Oncology Group
Eastern Cooperative Oncology Group
Eastern Cooperative Oncology Group
SWOG Cancer Research Network
NSABP Foundation Inc
SWOG Cancer Research Network
SWOG Cancer Research Network
Radiation Therapy Oncology Group
NSABP Foundation Inc
NSABP Foundation Inc
SWOG Cancer Research Network
American College of Radiology Imaging Network
American College of Radiology Imaging Network
AIDS Malignancy Consortium
AIDS Malignancy Consortium
Children's Oncology Group
Radiation Therapy Oncology Group
SWOG Cancer Research Network
SWOG Cancer Research Network
Radiation Therapy Oncology Group