John M. Nolan, Dr. and Beatty, Stephen (2006) Risk factors for age-related maculopathy are associated with a relative lack of macular pigment. Experimental Eye Research.
John M. Nolan, Dr. and O'Donovan, O. and Kavanagh, Heather and Beatty, Stephen (2004) Macular Pigment and Percentage of Body Fat. Investigative Opthalmology & Visual Science, 45 (11). ISSN 1552-5783