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Vogel A, Beck S, Schwenn O, Grus F, Krummenauer F, Pfeiffer N.Vogel A, et al. Among authors: pfeiffer n.Ophthalmologe. 2001 Oct;98(10):944-9. doi: 10.1007/s003470170041.Ophthalmologe. 2001.PMID: 11699315German.
Bell K, Pfeiffer N, Grus FH.Bell K, et al. Among authors: pfeiffer n.Ophthalmologe. 2014 Feb;111(2):107-12. doi: 10.1007/s00347-013-2931-x.Ophthalmologe. 2014.PMID: 24337342German.
von Thun und Hohenstein-Blaul N, Kunst S, Pfeiffer N, Grus FH.von Thun und Hohenstein-Blaul N, et al. Among authors: pfeiffer n.Ophthalmologe. 2015 May;112(5):395-401. doi: 10.1007/s00347-015-0007-9.Ophthalmologe. 2015.PMID: 25916477Review.German.