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Gockel I, Müller M, Schumacher J.Gockel I, et al.Dtsch Arztebl Int. 2012 Mar;109(12):209-14. doi: 10.3238/arztebl.2012.0209. Epub 2012 Mar 23.Dtsch Arztebl Int. 2012.PMID: 22532812Free PMC article.Review.
Gockel I, Eckardt VF, Roth W, Junginger T.Gockel I, et al.Dtsch Med Wochenschr. 2004 Apr 2;129(14):735-8. doi: 10.1055/s-2004-821378.Dtsch Med Wochenschr. 2004.PMID: 15042488German.
Gockel I, Bork K, Eckardt VF, Junginger T.Gockel I, et al.Dtsch Med Wochenschr. 2006 Aug 18;131(33):1799-802. doi: 10.1055/s-2006-949156.Dtsch Med Wochenschr. 2006.PMID: 16902902German.