Analysis of refractive state in preschool children with subnormal vision
FENG Jing-jing, CHEN Wei, WANG Li-hua, TONG Huan, XING Shan-shan, PU Jia-ning
journal1 . 2020, (5): 590 -593 .  DOI: 10.11852/zgetbjzz2019-1743