20. Cruickshanks K.J., Klein R., Klein B.E. et al. Sunlight and age-related macular degeneration the Beaver Dam Eye Study. Arch Ophthalmol 1993; 111: 514–18.

20. Cruickshanks K.J., Klein R., Klein B.E. et al. Sunlight and age-related macular degeneration the Beaver Dam Eye Study. Arch Ophthalmol 1993; 111: 514–18.