Tamoxifen Citrate or Letrozole With or Without Bevacizumab in Treating Women With Stage IIIB or Stage IV Breast Cancer
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
Japanese Foundation for Cancer Research
Eastern Cooperative Oncology Group
iOMEDICO AG
National Cancer Institute (NCI)
NSABP Foundation Inc
NSABP Foundation Inc
Borstkanker Onderzoek Groep
Central European Cooperative Oncology Group
Swiss Cancer Institute
Hoffmann-La Roche
NSABP Foundation Inc
iOMEDICO AG
GBG Forschungs GmbH
Hoffmann-La Roche
Hoffmann-La Roche
Hoffmann-La Roche
Genentech, Inc.
Genentech, Inc.
Genentech, Inc.
GBG Forschungs GmbH