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Hell K, Nellessen U, Dohrmann AM, Simon R.Hell K, et al.J Am Soc Echocardiogr. 1993 Mar-Apr;6(2):134-41. doi: 10.1016/s0894-7317(14)80483-5.J Am Soc Echocardiogr. 1993.PMID: 8481242
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Specht S, Liedgens L, Duarte M, Stiegler A, Wirth U, Eberhardt M, Tomás A, Hell K, Deponte M.Specht S, et al. Among authors: hell k.Redox Biol. 2018 May;15:363-374. doi: 10.1016/j.redox.2017.12.010. Epub 2017 Dec 23.Redox Biol. 2018.PMID: 29310075Free PMC article.