Metformin Hydrochloride in Preventing Oral Cancer in Patients With an Oral Premalignant Lesion
National Cancer Institute (NCI)
National Cancer Institute (NCI)
UNC Lineberger Comprehensive Cancer Center
CHU de Quebec-Universite Laval
University of Pittsburgh
Krishnadevaraya College of Dental Sciences & Hospital
University of Arizona
University of North Carolina, Chapel Hill
University of Kansas Medical Center
Washington University School of Medicine
University of Sao Paulo General Hospital
S.L.A. Pharma AG
National Institutes of Health Clinical Center (CC)