The current situation research on weight development of the preschool "left-behind" and "non-left-behind" children in Shandong province.
WANG Xin-hai,GAI Ruo-yan,GUO Bin,TANG Qi,XIA Jun-fang,XU Ling-zhong.
journal1 . 2015, (2): 144 -146 .  DOI: 10.11852/zgetbjzz2015-23-02-10


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