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Nagel E, Lehmkuhl HB, Klein C, Schneider U, Frantz E, Ellmer A, Bocksch W, Dreysse S, Fleck E.Nagel E, et al. Among authors: klein c.Z Kardiol. 1999 Sep;88(9):622-30. doi: 10.1007/s003920050337.Z Kardiol. 1999.PMID: 10525923German.
Nagel E, Lehmkuhl HB, Bocksch W, Klein C, Vogel U, Frantz E, Ellmer A, Dreysse S, Fleck E.Nagel E, et al. Among authors: klein c.Circulation. 1999 Feb 16;99(6):763-70. doi: 10.1161/01.cir.99.6.763.Circulation. 1999.PMID: 9989961Clinical Trial.
Al-Saadi N, Nagel E, Gross M, Bornstedt A, Schnackenburg B, Klein C, Klimek W, Oswald H, Fleck E.Al-Saadi N, et al. Among authors: klein c.Circulation. 2000 Mar 28;101(12):1379-83. doi: 10.1161/01.cir.101.12.1379.Circulation. 2000.PMID: 10736280
Schalla S, Nagel E, Lehmkuhl H, Klein C, Bornstedt A, Schnackenburg B, Schneider U, Fleck E.Schalla S, et al. Among authors: klein c.Am J Cardiol. 2001 Jan 1;87(1):95-9. doi: 10.1016/s0002-9149(00)01279-0.Am J Cardiol. 2001.PMID: 11137841
Nagel E, Schneider U, Schalla S, Ibrahim T, Schnackenburg B, Bornstedt A, Klein C, Lehmkuhl HB, Fleck E.Nagel E, et al. Among authors: klein c.J Cardiovasc Magn Reson. 2000;2(1):7-14. doi: 10.3109/10976640009148668.J Cardiovasc Magn Reson. 2000.PMID: 11545110
al-Saadi N, Gross M, Bornstedt A, Schnackenburg B, Klein C, Fleck E, Nagel E.al-Saadi N, et al. Among authors: klein c.Z Kardiol. 2001 Nov;90(11):824-34. doi: 10.1007/s003920170081.Z Kardiol. 2001.PMID: 11771450German.
Kelle S, Hamdan A, Schnackenburg B, Köhler U, Klein C, Nagel E, Fleck E.Kelle S, et al. Among authors: klein c.J Cardiovasc Magn Reson. 2008 Oct 9;10(1):44. doi: 10.1186/1532-429X-10-44.J Cardiovasc Magn Reson. 2008.PMID: 18844984Free PMC article.
Al-Saadi N, Nagel E, Gross M, Schnackenburg B, Paetsch I, Klein C, Fleck E.Al-Saadi N, et al. Among authors: klein c.J Am Coll Cardiol. 2000 Nov 1;36(5):1557-64. doi: 10.1016/s0735-1097(00)00914-1.J Am Coll Cardiol. 2000.PMID: 11079658Free article.Clinical Trial.
Bornstedt A, Nagel E, Schalla S, Schnackenburg B, Klein C, Fleck E.Bornstedt A, et al. Among authors: klein c.J Magn Reson Imaging. 2001 Sep;14(3):300-5. doi: 10.1002/jmri.1186.J Magn Reson Imaging. 2001.PMID: 11536407