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Kristen R, Huber P, Gross-Fengels W, Erasmi H.Kristen R, et al. Among authors: erasmi h.Dtsch Med Wochenschr. 1988 Dec 23;113(51-52):2013-6. doi: 10.1055/s-2008-1067930.Dtsch Med Wochenschr. 1988.PMID: 3060345Review.German.No abstract available.