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Gabel-Pfisterer A, Wehner A, Heimann H, Foerster MH, Wachtlin J.Gabel-Pfisterer A, et al. Among authors: foerster mh.Ophthalmologe. 2005 Jun;102(6):592-6. doi: 10.1007/s00347-004-1146-6.Ophthalmologe. 2005.PMID: 15662503Clinical Trial.German.