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Kontoyannis DA, Nanas JN, Kontoyannis SA, Kalabalikis AK, Moulopoulos SD.Kontoyannis DA, et al. Among authors: moulopoulos sd.Am J Cardiol. 1997 Mar 1;79(5):570-4. doi: 10.1016/s0002-9149(96)00817-x.Am J Cardiol. 1997.PMID: 9068510