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Büttner A, Schittkowski MP.Büttner A, et al. Among authors: schittkowski mp.Ophthalmologe. 2008 Jul;105(7):676-9. doi: 10.1007/s00347-007-1641-7.Ophthalmologe. 2008.PMID: 18309496German.No abstract available.
Horn M, Schittkowski MP.Horn M, et al. Among authors: schittkowski mp.Klin Monbl Augenheilkd. 2019 Jan;236(1):17-24. doi: 10.1055/a-0802-9275. Epub 2019 Jan 28.Klin Monbl Augenheilkd. 2019.PMID: 30690696German.