Associations of Polymorphisms in MTHFR Gene with the Risk of Age-Related Cataract in Chinese Han Population: A Genotype-Phenotype Analysis. - Wang, Xue-bin; Qiao, Chen; Wei, Li; Han, Ya-di; Cui, Ning-hua; Huang, Zhu-liang; Li, Zu-hua; Zheng, Fang; Yan, Ming (PLoS ONE, 2015)