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Ganzer U, Meyer-Breiting E, Ebbers J, Vosteen KH.Ganzer U, et al. Among authors: vosteen kh.Laryngol Rhinol Otol (Stuttg). 1982 Nov;61(11):622-8.Laryngol Rhinol Otol (Stuttg). 1982.PMID: 7176781German.