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Abicht A, Müller-Felber W, Fischer P, Jakob I, Kürz L, Rudel R, Mortier W, Pongratz D, Lochmüller H.Abicht A, et al. Among authors: pongratz d.Eur J Med Res. 1997 Dec 31;2(12):515-22.Eur J Med Res. 1997.PMID: 9498929