TY - Chinese Journal of Child Health Care A1 - LI Xue-feng T1 - Analysis of serum 25-hydroxy vitamin-D level and children's growth pain and other related factors Y1 - 2021-02-10 JF - Chinese Journal of Child Health Care JO - Chinese Journal of Child Health Care SP - 194 EP - 197 VL - 29 IS - 2 UR - https://manu41.magtech.com.cn/Jwk_zgetbjzz N1 - 10.11852/zgetbjzz2019-1297 ER -