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Duntas L, Pfeiffer EF.Duntas L, et al. Among authors: pfeiffer ef.Dtsch Med Wochenschr. 1990 Jun 29;115(26):1031-5. doi: 10.1055/s-0029-1235623.Dtsch Med Wochenschr. 1990.PMID: 2113854Review.German.No abstract available.