53- S Beatty, M Boulton, D Henson, H-H Koh, I J Murray, Macular pigment and age related macular degeneration, Br J Ophthalmol 1999;83:867–877.

53- S Beatty, M Boulton, D Henson, H-H Koh, I J Murray, Macular pigment and age related macular degeneration, Br J Ophthalmol 1999;83:867–877.