Serum 25-hydroxy vitamin D status and the influencing factors in 351 healthy preschool children
WANG Xi-rui, YU Xiao-dan, ZHANG Li-shan, XU Lei, YUAN Yi-chun
journal1 . 2020, (10): 1101 -1105 .  DOI: 10.11852/zgetbjzz2019-1882