Analysis of 25-hydroxy vitamin D levels in children aged 0 to 14 years old in Guangzhou city.
ZHANG Ping-ping, LI Ya-ting, LI Xiao-feng, LI Zhi-biao, CHEN Zhuang-gui.
journal1 . 2014, (8): 856 -858 .  DOI: 10.11852/zgetbjzz2014-22-08-23