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.
Bullock JD, Warwar RE, Green WR.Bullock JD, et al.Trans Am Ophthalmol Soc. 1998;96:243-76; discussion 276-81.Trans Am Ophthalmol Soc. 1998.PMID: 10360292Free PMC article.
Warwar RE, Bullock JD, Ballal D.Warwar RE, et al. Among authors: bullock jd.Ophthalmology. 1998 Feb;105(2):263-8. doi: 10.1016/s0161-6420(98)92977-3.Ophthalmology. 1998.PMID: 9479285
Bullock JD, Johnson DA, Ballal DR, Bullock RJ.Bullock JD, et al. Among authors: bullock rj.Trans Am Ophthalmol Soc. 1996;94:105-32; discussion 132-4.Trans Am Ophthalmol Soc. 1996.PMID: 8981692Free PMC article.