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Nagel E, Thouet T, Klein C, Schalla S, Bornstedt A, Schnackenburg B, Hug J, Wellnhofer E, Fleck E.Nagel E, et al. Among authors: klein c.Circulation. 2003 Apr 8;107(13):1738-43. doi: 10.1161/01.CIR.0000060542.79482.81. Epub 2003 Mar 24.Circulation. 2003.PMID: 12665488Clinical Trial.
Schalla S, Klein C, Paetsch I, Lehmkuhl H, Bornstedt A, Schnackenburg B, Fleck E, Nagel E.Schalla S, et al. Among authors: klein c.Radiology. 2002 Sep;224(3):845-51. doi: 10.1148/radiol.2243010945.Radiology. 2002.PMID: 12202724
Nagel E, Klein C, Paetsch I, Hettwer S, Schnackenburg B, Wegscheider K, Fleck E.Nagel E, et al. Among authors: klein c.Circulation. 2003 Jul 29;108(4):432-7. doi: 10.1161/01.CIR.0000080915.35024.A9. Epub 2003 Jul 14.Circulation. 2003.PMID: 12860910Clinical Trial.
Wellnhofer E, Olariu A, Klein C, Gräfe M, Wahl A, Fleck E, Nagel E.Wellnhofer E, et al. Among authors: klein c.Circulation. 2004 May 11;109(18):2172-4. doi: 10.1161/01.CIR.0000128862.34201.74. Epub 2004 Apr 26.Circulation. 2004.PMID: 15117834Clinical Trial.
Wahl A, Paetsch I, Gollesch A, Roethemeyer S, Foell D, Gebker R, Langreck H, Klein C, Fleck E, Nagel E.Wahl A, et al. Among authors: klein c.Eur Heart J. 2004 Jul;25(14):1230-6. doi: 10.1016/j.ehj.2003.11.018.Eur Heart J. 2004.PMID: 15246641
Wahl A, Paetsch I, Roethemeyer S, Klein C, Fleck E, Nagel E.Wahl A, et al. Among authors: klein c.Radiology. 2004 Oct;233(1):210-6. doi: 10.1148/radiol.2331030463. Epub 2004 Aug 10.Radiology. 2004.PMID: 15304662