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Clinical presentation, management and outcome of Japanese patients with acute myocardial infarction in the troponin era: Japanese Registry of Acute Myocardial Infarction Diagnosed by Universal Definition (J-MINUET). <i>Circ J<\/i> 2015; 79: 1255\u20131262.","DOI":"10.1253\/circj.CJ-15-0217"},{"key":"4","doi-asserted-by":"crossref","unstructured":"4. Gehrie ER, Reynolds HR, Chen AY, Neelon BH, Roe MT, Gibler WB, et al. Characterization and outcomes of women and men with non-ST-segment elevation myocardial infarction and nonobstructive coronary artery disease: Results from the Can Rapid Risk Stratification of Unstable Angina Patients Suppress Adverse Outcomes with Early Implementation of the ACC\/AHA Guidelines (CRUSADE) quality improvement initiative. <i>Am Heart J<\/i> 2009; 158: 688\u2013694.","DOI":"10.1016\/j.ahj.2009.08.004"},{"key":"5","doi-asserted-by":"crossref","unstructured":"5. Hochman JS, Tamis JE, Thompson TD, Weaver WD, White HD, Van de Werf F, et al. 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Primary coronary microvascular dysfunction: Clinical presentation, pathophysiology, and management. <i>Circulation<\/i> 2010; 121: 2317\u20132325.","DOI":"10.1161\/CIRCULATIONAHA.109.900191"},{"key":"16","doi-asserted-by":"crossref","unstructured":"16. Kemp HG Jr, Vokonas PS, Cohn PF, Gorlin R. The anginal syndrome associated with normal coronary arteriograms: Report of a six year experience. <i>Am J Med<\/i> 1973; 54: 735\u2013742.","DOI":"10.1016\/0002-9343(73)90060-0"},{"key":"17","doi-asserted-by":"crossref","unstructured":"17. Choparda R, Jehlb J, Dutheila J, Genon VD, Seronde MF, Kastler B, et al. Evolution of acute coronary syndrome with normal coronary arteries and normal cardiac magnetic resonance imaging. <i>Arch Cardiovasc Dis<\/i> 2011; 104: 509\u2013517.","DOI":"10.1016\/j.acvd.2011.05.004"},{"key":"18","doi-asserted-by":"crossref","unstructured":"18. Baccouche H, Mahrholdt H, Meinhardt G, Merher R, Voehringer M, Hill S, et al. 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Ong P, Athanasiadis A, Hill S, Vogelsberg H, Voehringer M, Sechtem U. Coronary artery spasm as a frequent cause of acute coronary syndrome: The CASPAR (Coronary Artery Spasm in Patients With Acute Coronary Syndrome) study. <i>J Am Coll Cardiol<\/i> 2008; 52: 523\u2013527.","DOI":"10.1016\/j.jacc.2008.04.050"},{"key":"22","doi-asserted-by":"crossref","unstructured":"22. Parwani AS, Boldt LH, Huemer M, Wutzler A, Blaschke D, Rolf S, et al. Atrial fibrillation-induced cardiac troponin I release. <i>Int J Cardiol<\/i> 2013; 168: 2734\u20132737.","DOI":"10.1016\/j.ijcard.2013.03.087"},{"key":"23","doi-asserted-by":"crossref","unstructured":"23. Dib C, Asirvatham S, Elesber A, Rihal C, Friedman P, Prasad A. 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