户外活动时间与学龄前文化课学习情况对中小学生视力不良的交互作用
谢铭, 曾媛, 袁姝倩, 刘银玥, 陈艳华, 胡冀, 郑婵娟, 王非, 阳益德
Interaction between outdoor physical activity and taking extra-curricular cultural classes before school age on poor vision of primary and middle school students
XIE Ming, ZENG Yuan, YUAN Shu-qian, LIU Yin-yue, CHEN Yan-hua, HU Ji, ZHENG Chan-juan, WANG Fei, YANG Yi-de
中国儿童保健杂志 . 2021, (6): 605 -608 .  DOI: 10.11852/zgetbjzz2020-2080