Nav
Journal
Am J Ophthalmol
Volume
147
Issue
6
Pages
1075-81
Publication year
2009
Suggested citation
Lu Q, Zheng Y, Sun B, Cui T, Congdon N, Hu A, Chen J, Shi J. A population-based study of visual impairment among pre-school children in Beijing: the Beijing study of visual impairment in children. Am J Ophthalmol. 2009; 147(6): 1075-81.