Prediction of death and nonfatal myocardial infarction in high-risk patients: a comparison between the Duke treadmill score, peak exercise radionuclide angiography, and SPECT perfusion imaging. - Liao L; Smith WT 4th; Tuttle RH; Shaw LK; Coleman RE; Borges-Neto S (Journal of nuclear medicine : official publication, Society of Nuclear Medicine, 2005)