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Heilmann L, Siekmann U, Schmid-Schönbein H.Heilmann L, et al. Among authors: siekmann u.Dtsch Med Wochenschr. 1985 Nov 1;110(44):1705-8. doi: 10.1055/s-2008-1069075.Dtsch Med Wochenschr. 1985.PMID: 3902435Review.German.No abstract available.