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Hansson N, Enke U.Hansson N, et al. Among authors: enke u.Dtsch Med Wochenschr. 2015 Dec;140(25):1898-902. doi: 10.1055/s-0041-110248. Epub 2015 Dec 16.Dtsch Med Wochenschr. 2015.PMID: 26676474German.