兰州市学龄前儿童视力异常影响因素分析
顾东英,任婉娜,黄彩霞,张文芳,孙一岚
Analysis of factors correlated with subnormal vision of preschool children in Lanzhou
GU Dong-ying,REN Wan-na,HUANG Cai-xia,ZHANG Wen-fang,SUN Yi-lan
中国儿童保健杂志 . 2012, (12): 1121 -1123 .