Past changes and future trend of low weight rate of children under 5 years old in Haikou
HUANG Li-hong, SHI Hui-ling, LIN Yao, FU Li-ying, LIU Ying, SHI Liang-sun
Chinese Journal of Child Health Care . 2022, (9): 956 -959 .  DOI: 10.11852/zgetbjzz2022-0512