Neelam, K and Hogg, RE and Stevenson, MR and Johnston, E and Anderson, R and Beatty, Stephen and Chakravarthy, U (2008) Carotenoids and co-antioxidants in age-related maculopathy: design and methods. Ophthalmic Epidemiology, 15 (6). 389-401.. ISSN 1744-5086