Vitamin D status and influencing factors of junior school students in Harbin City
DAI Qian-qian,GAO Peng,YUAN Hong-wei,SHAN Ling-ling,LI Lei,YANG Fang,WANG Qiu-yi, ZHANG Sima-kang,LI Xin-tong,YANG Hui,ZHANG Shi-cheng,ZHANG Yan,WU Li-jie,ZHANG Hui-ying,MA Jun
journal1 . 2017, (11): 1101 -1104 .  DOI: 10.11852/zgetbjzz2017-25-11-06