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Seifert A, Seitz B, Wagenpfeil G, Ludwig K, Krause M.Seifert A, et al. Among authors: ludwig k.Ophthalmologie. 2022 Jun;119(6):591-598. doi: 10.1007/s00347-021-01533-y. Epub 2021 Nov 24.Ophthalmologie. 2022.PMID: 34817650German.
Hahn U, Baulig C, Tulka S, Ludwig K.Hahn U, et al. Among authors: ludwig k.Ophthalmologe. 2020 Dec;117(12):1198-1209. doi: 10.1007/s00347-020-01083-9.Ophthalmologe. 2020.PMID: 32221657Free PMC article.German.
Seidensticker F, Schaumberger M, Ulbig M, Ludwig K, Kampik A, Lackerbauer CA.Seidensticker F, et al. Among authors: ludwig k.Klin Monbl Augenheilkd. 2010 Jun;227(6):483-8. doi: 10.1055/s-0028-1109956. Epub 2010 Mar 9.Klin Monbl Augenheilkd. 2010.PMID: 20217634German.
Bechmann M, Ullrich S, Thiel MJ, Kenyon KR, Ludwig K.Bechmann M, et al. Among authors: ludwig k.J Cataract Refract Surg. 2002 Feb;28(2):360-3. doi: 10.1016/s0886-3350(01)00978-6.J Cataract Refract Surg. 2002.PMID: 11821222
Ludwig K, Lachenmayr BJ, Bonnici M, Plachta O.Ludwig K, et al.Fortschr Ophthalmol. 1991;88(6):824-8.Fortschr Ophthalmol. 1991.PMID: 1794813Clinical Trial.German.