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Cattelaens N, Gerckens U, Steudel A, Grube E.Cattelaens N, et al. Among authors: grube e.Dtsch Med Wochenschr. 1990 Oct 5;115(40):1507-10. doi: 10.1055/s-2008-1065184.Dtsch Med Wochenschr. 1990.PMID: 2209435German.
Gerckens U, Grube E, Kirchhoff PG, Lüderitz B.Gerckens U, et al. Among authors: grube e.Z Kardiol. 1986 May;75(5):303-5.Z Kardiol. 1986.PMID: 3739408German.
Gerckens U, Cattelaens N, Müller R, Lampe EG, Grube E.Gerckens U, et al. Among authors: grube e.Dtsch Med Wochenschr. 1996 Nov 29;121(48):1487-91. doi: 10.1055/s-2008-1043173.Dtsch Med Wochenschr. 1996.PMID: 8983904German.
Gerckens U, Cattelaens N, Müller R, Lampe EG, Grube E.Gerckens U, et al. Among authors: grube e.Herz. 1998 Feb;23(1):27-34. doi: 10.1007/BF03043009.Herz. 1998.PMID: 9541845Clinical Trial.German.
Gerckens U, Cattelaens N, Lampe EG, Grube E.Gerckens U, et al. Among authors: grube e.Am J Cardiol. 1999 Jun 15;83(12):1658-63. doi: 10.1016/s0002-9149(99)00174-5.Am J Cardiol. 1999.PMID: 10392872Clinical Trial.
Grube E, Gerckens U, Yeung AC, Rowold S, Kirchhof N, Sedgewick J, Yadav JS, Stertzer S.Grube E, et al.Circulation. 2001 Nov 13;104(20):2436-41. doi: 10.1161/hc4501.099317.Circulation. 2001.PMID: 11705821Clinical Trial.