2018年连云港某区中小学生视力不良现状分析
许睿,李存禄,张双龙
Current situation of poor eyesight of primary and secondary school students in a district of Lianyungang City in 2018
XU Rui, LI Cun-lu, ZHANG Shuang-long
中国校医 . 2020, (10): 741 -742,757 .