Ametropia and associated factors among per-school children in Kaifeng city
ZHANG Yanfang, HAO Jianmin, CHU Jin, ZHANG Huiwen, LI Xin, TAO Jingjing
Chinese Journal of Reproductive Health ›› 2014, Vol. 25 ›› Issue (1) : 22-25.
Ametropia and associated factors among per-school children in Kaifeng city
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