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Peter JG, Glos M, Blau A, Penzel T, Baumann G, Fietze I.Peter JG, et al. Among authors: penzel t.Clin Res Cardiol. 2011 Apr;100(4):351-8. doi: 10.1007/s00392-010-0253-4. Epub 2010 Nov 24.Clin Res Cardiol. 2011.PMID: 21107584
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Glos M, Romberg D, Fietze I, Penzel T.Glos M, et al. Among authors: penzel t.Annu Int Conf IEEE Eng Med Biol Soc. 2007;2007:263-6. doi: 10.1109/IEMBS.2007.4352274.Annu Int Conf IEEE Eng Med Biol Soc. 2007.PMID: 18001940
Fietze I, Blau A, Glos M, Theres H, Baumann G, Penzel T.Fietze I, et al. Among authors: penzel t.Sleep Med. 2008 Aug;9(6):652-9. doi: 10.1016/j.sleep.2007.09.008. Epub 2007 Nov 19.Sleep Med. 2008.PMID: 18024166Clinical Trial.
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Fietze I, Strauch J, Holzhausen M, Glos M, Theobald C, Lehnkering H, Penzel T.Fietze I, et al. Among authors: penzel t.Chronobiol Int. 2009 Aug;26(6):1249-62. doi: 10.3109/07420520903221319.Chronobiol Int. 2009.PMID: 19731116