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Eckhardt A, Tettenborn B, Krauthauser H, Thomalske C, Hartmann O, Hoffmann SO, Hopf HC.Eckhardt A, et al. Among authors: hoffmann so.Laryngorhinootologie. 1996 Sep;75(9):517-22. doi: 10.1055/s-2007-997625.Laryngorhinootologie. 1996.PMID: 9035672German.
Egle UT, Heucher K, Hoffmann SO, Porsch U.Egle UT, et al. Among authors: hoffmann so.Psychother Psychosom Med Psychol. 1992 Mar-Apr;42(3-4):79-90.Psychother Psychosom Med Psychol. 1992.PMID: 1494632German.