18F-FDOPA PET imaging of brain tumors: comparison study with 18F-FDG PET and evaluation of diagnostic accuracy. - Chen,W.; Silverman,D.H.; Delaloye,S.; Czernin,J.; Kamdar,N.; Pope,W.; Satyamurthy,N.; Schiepers,C.; Cloughesy,T. (J Nucl Med, 2006)