Study on epidemiological characteristics of rickets in children less than 3 years old in 27 provinces from 2005 to 2012
CAO Yan-mei,LIU Hua-qing,FENG Ya-hong,SHEN Fang-rong,YU Qing,LI Bing-yan,ZHANG Zeng-li
journal1 . 2012, (11): 1008 -1010 .