8Xiang DC, Yin JL, He JX, et al. Rest chest pain, negative treadmill exercise electrocardiogram and reverse redistribution in dipyridamole myocardial perfusion imaging might be the features of coronary artery spasm. Clin Cardiol,2007,30 (10) :522-526.
9Chang TO. Letter to Editor : Rest chest pain, negative treadmill exercise electrocardiogram and reverse redistribution in dipyridamole myocardial perfusion imaging might be the features of coronary artery spasm. 2007,32(3) :169.