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Heisel A, Jung J, Rippl E, Fries R, Stopp M, Fröhlig G, Schieffer H, Ozbek C.Heisel A, et al.Z Kardiol. 1996 Dec;85(12):943-8.Z Kardiol. 1996.PMID: 9082672German.
Heisel A, Jung J, Stopp M, Schieffer H.Heisel A, et al.Eur Heart J. 1997 May;18(5):866-9. doi: 10.1093/oxfordjournals.eurheartj.a015353.Eur Heart J. 1997.PMID: 9152658Clinical Trial.
Heisel A, Jung J, Neuzner J, Michel U, Pitschner H.Heisel A, et al.J Cardiovasc Electrophysiol. 1997 Jun;8(6):607-14. doi: 10.1111/j.1540-8167.1997.tb01823.x.J Cardiovasc Electrophysiol. 1997.PMID: 9209961Clinical Trial.
Jung J, Neuzner J, Himmrich E, Vester E, Michel U, Fries R, Pitschner H, Liebrich A, Ganschow U, Heisel A.Jung J, et al. Among authors: heisel a.Z Kardiol. 1998 Dec;87(12):971-7. doi: 10.1007/s003920050254.Z Kardiol. 1998.PMID: 10025070Clinical Trial.German.