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.
Zhivov A, Stachs O, Kraak R, Stave J, Guthoff RF.Zhivov A, et al.Ocul Surf. 2006 Apr;4(2):81-93. doi: 10.1016/s1542-0124(12)70030-7.Ocul Surf. 2006.PMID: 16681079Review.
Stachs O, Knappe S, Zhivov A, Kraak R, Stave J, Guthoff RF.Stachs O, et al. Among authors: zhivov a.Klin Monbl Augenheilkd. 2006 Jul;223(7):583-8. doi: 10.1055/s-2006-926727.Klin Monbl Augenheilkd. 2006.PMID: 16855941German.
Zhivov A, Stachs O, Stave J, Guthoff RF.Zhivov A, et al.Br J Ophthalmol. 2009 May;93(5):667-72. doi: 10.1136/bjo.2008.137430. Epub 2008 Jul 23.Br J Ophthalmol. 2009.PMID: 18650213