1 Child Health Care Department,Maternal and Child Health Hospital of Rongcheng,Rongcheng,Shandong 264300,China; 2 Center for Disease Control and Prevention of Rongcheng,Rongcheng,Shandong 264300,China
TIAN Juan-juan,CAI Jing,YU Hua-xiu,JU Xiao-hua. Analysis on collective children's physical condition in kindergartens of Rongcheng city from 2012 to 2017[J]. journal1, 2019, 27(12): 1368-1370.