TY - Chinese Medical Sciences Journal A1 - Xue-tao Ren, Torkel Snellingen, Hong Gu, Sawitri Assanangkornchai, Yan-hong Zou, Virasakdi Chongsuvivatwong, Apiradee Lim, Wei Jia, Xi-pu Liu, Ning-pu Liu T1 - Use of Cataract Surgery in Urban Beijing: a Post Screening Follow-up of the Elderly with Visual Impairment due to Age-related Cataract Y1 - 2015-04-02 JF - Chinese Medical Sciences Journal JO - Chinese Medical Sciences Journal SP - 1 EP - 6 VL - 30 IS - 1 UR - http://cmsj.cams.cn N1 - 10.1016/S1001-9294(15)30001-8 ER -