Association of serum lutein and zeaxanthin with quantitative measures of retinal vascular parameters Kumari, Neelam ; Cher, Joanna ; Chua, Edwin ; Hamzah, Haslina ; Wong, Tien Yin ; Cheung, Carol Y. Abstract Publication: PLoS ONE Pub Date: September 2018 DOI: 10.1371/journal.pone.0203868 Bibcode: 2018PLoSO..1303868K