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Farin E, Metten M, Nagl M, Lagrèze WA, Pieh-Beisse C.Farin E, et al. Among authors: lagreze wa.Ophthalmologe. 2011 Jul;108(7):644-50. doi: 10.1007/s00347-010-2316-3.Ophthalmologe. 2011.PMID: 21271255German.