An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Valtink M, Stanke N, Knels L, Engelmann K, Funk RH, Lindemann D.Valtink M, et al. Among authors: knels l.Invest Ophthalmol Vis Sci. 2011 Aug 29;52(9):6807-13. doi: 10.1167/iovs.11-7710.Invest Ophthalmol Vis Sci. 2011.PMID: 21757582
Valtink M, Knels L, Stanke N, Engelmann K, Funk RH, Lindemann D.Valtink M, et al. Among authors: knels l.Invest Ophthalmol Vis Sci. 2012 May 31;53(6):3207-14. doi: 10.1167/iovs.12-9423.Invest Ophthalmol Vis Sci. 2012.PMID: 22599586
Knels L, Valtink M, De la Vega Marin J, Steiner G, Roehlecke C, Krueger A, Funk RH.Knels L, et al.Oxid Med Cell Longev. 2012;2012:274953. doi: 10.1155/2012/274953. Epub 2012 Oct 17.Oxid Med Cell Longev. 2012.PMID: 23125892Free PMC article.