1. the Vascular Biology Center and
2. the Departments of Physiology,
3. Pharmacology and Toxicology,
4. Oral Biology and Anatomy, School of Dentistry, and
5. the Departments of Ophthalmology, and
6. From the VA Medical Center, Augusta, Georgia; and the 2Vascular Biology Center and the Departments of 7Ophthalmology, and 8Cellular Biology and Anatomy, Medical College of Georgia, Augusta, Georgia.