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Reuss-Borst MA, Müller CA, Waller HD.Reuss-Borst MA, et al.Dtsch Med Wochenschr. 1994 Jan 28;119(4):96-101. doi: 10.1055/s-2008-1058667.Dtsch Med Wochenschr. 1994.PMID: 8299528Review.German.