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Hirschfelder A, Gossow-Müller-Hohenstein E, Hensel J, Scholz G, Mrowinski D.Hirschfelder A, et al. Among authors: mrowinski d.HNO. 2005 Jul;53(7):612-7. doi: 10.1007/s00106-004-1171-4.HNO. 2005.PMID: 15565422German.