Aspirin in Preventing Colorectal Cancer in Patients With Colorectal Adenoma
National Cancer Institute (NCI)
National Cancer Institute (NCI)
Mayo Clinic
M.D. Anderson Cancer Center
Virginia Commonwealth University
Daping Hospital and the Research Institute of Surgery of the Third Military Medical University
Canadian Cancer Trials Group
H. Lee Moffitt Cancer Center and Research Institute
Mayo Clinic
Massachusetts Eye and Ear Infirmary
M.D. Anderson Cancer Center
National Cancer Institute (NCI)
Massachusetts General Hospital
PharmaEssentia Japan K.K.
Roswell Park Cancer Institute
Fox Chase Cancer Center
Oslo University Hospital
PharmaEssentia
National Institutes of Health Clinical Center (CC)
Union Hospital, Tongji Medical College, Huazhong University of Science and Technology
Gustave Roussy, Cancer Campus, Grand Paris
University College, London
Swiss Cancer Institute
University of Oxford
University of Edinburgh
Medical University of South Carolina
Fundacion CRIS de Investigación para Vencer el Cáncer
National Cancer Center, Korea
Centre Hospitalier Universitaire de Besancon
Centre Hospitalier Universitaire de Besancon
Peter MacCallum Cancer Centre, Australia
PharmaEssentia Japan K.K.
Haukeland University Hospital
FROM- Fondazione per la Ricerca Ospedale di Bergamo- ETS
Beijing Tiantan Hospital
Banaras Hindu University
Ottawa Hospital Research Institute
University Hospital, Antwerp
Leiden University Medical Center
Centre Hospitalier Universitaire Vaudois
National Cancer Centre, Singapore
The Methodist Hospital Research Institute
German Cancer Research Center
University of California, Irvine
Alliance for Clinical Trials in Oncology
Queen Mary University of London
European Organisation for Research and Treatment of Cancer - EORTC
UNICANCER
University of California, San Francisco
University of Calgary
University of Utah