11. He M, Xiang F, Zeng Y, Mei J, Chen Q, Zheng J, Smith W, Rose K, Morgan IG, Effect of Time Spent Outdoors at School on the Development of Myopia in Children in China: A Randomized Clinical Trial. Journal of the American Medical Association, Sept. 15, 2

11. He M, Xiang F, Zeng Y, Mei J, Chen Q, Zheng J, Smith W, Rose K, Morgan IG, Effect of Time Spent Outdoors at School on the Development of Myopia in Children in China: A Randomized Clinical Trial. Journal of the American Medical Association, Sept. 15, 2