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Borde JP, Link R, Offensperger WB.Borde JP, et al.Dtsch Med Wochenschr. 2008 May;133(21):1116-20. doi: 10.1055/s-2008-1077225.Dtsch Med Wochenschr. 2008.PMID: 18478504German.
de With K, Stocker H, Borde J, Kern WV.de With K, et al.Dtsch Med Wochenschr. 2012 Feb;137(5):186-9. doi: 10.1055/s-0031-1292891. Epub 2012 Jan 25.Dtsch Med Wochenschr. 2012.PMID: 22278687Review.German.No abstract available.