Patient participation in free cataract surgery: a cross-sectional study of the low-income elderly in urban China
Haotian Lin, Duoru Lin, Erping Long, Haofeng Jiang, Bo Qu, Jinzhu Tang, Yingfen Lin, Jingjing Chen, Xiaohang Wu, Zhuoling Lin, Xiaoyan Li, Zhenzhen Liu, Bo Zhang, Hui Chen, Xuhua Tan, Lixia Luo, Yizhi Liu, Weirong Chen
BMJ Open Apr 2016, 6 (4) e011061; DOI: 10.1136/bmjopen-2016-011061