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.
Frick KD, Foster A, Bah M, Faal H.Frick KD, et al.Arch Ophthalmol. 2005 Feb;123(2):239-43. doi: 10.1001/archopht.123.2.239.Arch Ophthalmol. 2005.PMID: 15710822Free article.
Frick KD, Kymes SM, Lee PP, Matchar DB, Pezzullo ML, Rein DB, Taylor HR; Vancouver Economic Burden of Vision Loss Group.Frick KD, et al.Invest Ophthalmol Vis Sci. 2010 Apr;51(4):1801-5. doi: 10.1167/iovs.09-4469. Epub 2010 Jan 13.Invest Ophthalmol Vis Sci. 2010.PMID: 20071669No abstract available.
Trent M, Ellen JM, Frick KD.Trent M, et al. Among authors: frick kd.Sex Transm Dis. 2011 Apr;38(4):326-8. doi: 10.1097/OLQ.0b013e3181fc6c65.Sex Transm Dis. 2011.PMID: 21057380Free PMC article.