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De Geyter C, Fehr P, Moffat R, Gruber IM, von Wolff M.De Geyter C, et al. Among authors: gruber im.Swiss Med Wkly. 2015 Feb 6;145:w14087. doi: 10.4414/smw.2015.14087. eCollection 2015.Swiss Med Wkly. 2015.PMID: 25668217Free article.