Clinical characteristics and outcome of acute myocardial infarction in patients with initially normal or nonspecific electrocardiograms (a report from the Multicenter Chest Pain Study).
Am J Cardiol. 1989 Nov 15;64(18):1087-92. doi: 10.1016/0002-9149(89)90857-6.
Am J Cardiol. 1989.
PMID: 2683709
Clinical Trial.