China - Beijing High School Eye Study 2009

Wu LJ, You QS, Duan JL, Luo YX, Liu LJ, Li X, Gao Q, Zhu HP, He Y, Xu L, Jonas JB, Wang W, Guo XH. Prevalence and associated factors of myopia in high-school students in Beijing [Unpublished data]. PLoS One. 2015 Mar 24;10(3):e0120764.