Serum levels of macular carotenoids in relation to age-related maculopathy - Dasch, B; Fuhs, A; Schmidt, J; Behrens, T; Meister, A; Wellmann, J; Fobker, M; Pauleikhoff, D; Hense, HW (Graefe’s Arch Clin Exp Ophthalmol, 2005)