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[Biophysical principles of collagen cross-linking].
Spörl E, Raiskup-Wolf F, Pillunat LE. Spörl E, et al. Among authors: raiskup wolf f. Klin Monbl Augenheilkd. 2008 Feb;225(2):131-7. doi: 10.1055/s-2008-1027221. Klin Monbl Augenheilkd. 2008. PMID: 18293264 Review. German.
Cigarette smoking is negatively associated with keratoconus.
Spoerl E, Raiskup-Wolf F, Kuhlisch E, Pillunat LE. Spoerl E, et al. Among authors: raiskup wolf f. J Refract Surg. 2008 Sep;24(7):S737-40. doi: 10.3928/1081597X-20080901-18. J Refract Surg. 2008. PMID: 18811121