@article {27936,
	title = {Safety of Spectacles for Children{\textquoteright}s Vision: A Cluster-Randomized Controlled Trial},
	journal = {American journal of ophthalmology},
	volume = {160},
	number = {5},
	year = {2015},
	pages = {897-904},
	isbn = {0002-9394},
	author = {Xiaochen Ma and Nathan Congdon* and Hongmei Yi and Zhongqiang Zhou and Pang, Xiaopeng and Mirjam E. Meltzer and Yaojiang Shi and Mingguang He and Yizhi Liu and Scott Rozelle}
}
