8Kato T, Kamiyama T, Maruyama Y, et al. Nicorandil, a potent cardioprotective agent, reduces QT dispersion during coronary angioplasty [ J]. Am Heart J ,2001 ;141 (6) :940-3.
9Pettersson J, Pahlm O, Carro E, et al. Changes in high - frequency QRS components are more sensitive than ST-segment deviation for detecting acute coronary artery occlusion [J]. J Am Coll Cardiol, 2000 ; 36 ( 6 ) : 1827-34.
10Matveev M, Krasteva V, Naydenov S, et al. Possibilities of signal-averaged orthogonal and vector electrocardiography for locating and size evaluation of acute myocardial infarction with ST-elevation [ J]. Anadolu Kardiyol Derg,2007 ;7 ( Supp 1) : 193-7.