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.
Wang Y, Xu L, Zhang L, Yang H, Ma Y, Jonas JB.Wang Y, et al. Among authors: jonas jb.Eye (Lond). 2008 Feb;22(2):261-6. doi: 10.1038/sj.eye.6702601. Epub 2006 Sep 22.Eye (Lond). 2008.PMID: 17001322
Tuulonen A, Jonas JB, Välimäki S, Alanko HI, Airaksinen PJ.Tuulonen A, et al. Among authors: jonas jb.Ophthalmology. 1996 Mar;103(3):535-41. doi: 10.1016/s0161-6420(96)30661-1.Ophthalmology. 1996.PMID: 8600433