Selenium in Preventing Tumor Growth in Patients With Previously Resected Stage I Non-small Cell Lung Cancer
Eastern Cooperative Oncology Group
Eastern Cooperative Oncology Group
Canadian Cancer Trials Group
SWOG Cancer Research Network
University of Arizona
KU Leuven
SWOG Cancer Research Network
National Cancer Institute (NCI)
National Cancer Institute (NCI)
SWOG Cancer Research Network
University of Arizona
Texas Tech University
Institut National de la Santé Et de la Recherche Médicale, France