Research on vitamin D level of 0~7 years old children of Baoji.
GAO Gai-lan,LI Jie,TANG Shu-bin,LI Wei-na,YANG Yan,PAN Jian-ping.
journal1 . 2016, (1): 33 -36 .  DOI: 10.11852/zgetbjzz2016-24-01-10