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Le Ma,
Xiao-Ming Lin,
Zhi-Yong Zou,
Xian-Rong Xu,
Ying Li
and Rui Xu
(2009).
A 12-week lutein supplementation improves visual function in Chinese people with long-term computer display light exposure. British Journal of Nutrition,
102
,
pp 186-190
doi:10.1017/S0007114508163000