30- Cruickshanks , K.J., Klein, R., Klein, B.E.K. Sunlight and age-related macular degeneration. The Beaver Dam Eye Study. 1993. Arch. Ophthalmol. 111,514-518.

30- Cruickshanks , K.J., Klein, R., Klein, B.E.K. Sunlight and age-related macular degeneration. The Beaver Dam Eye Study. 1993. Arch. Ophthalmol. 111,514-518.