[EJ-17-25] Cluster-randomized controlled trial of the effects of free glasses on purchase of children's glasses in China: The PRICE (Potentiating Rural Investment in Children's Eyecare) study

Author：　　Periodical：PLOS ONE, November 21, 2017. https://doi.org/10.1371/journal.pone.0187808 　　Source：

Author: Wang, Xiuqin, Nathan Congdon, Yue Ma, Min Hu, Yuan Zhou, Weiqi Liao, Ling Jin, Baixiang Xiao, Xiaoyi Wu, Ming Ni, Hongmei Yi, Yiwen Huang, Beatrice Varga, Hong Zhang, Yongkang Cun, Xianshun Li, Luhua Yang, Chaoguang Liang, Wan Huang, Scott Rozelle, Xiaochen Ma