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Study on changes for behavior problems of 4- to 6-year-old children in Xi'an in 2007 and 2018
HE Hong-ling, LIU Yu-chen, ZHANG Da-wei, LI Na, MA Ming-fang, LIU Hui, YANG Lu, GAO Cheng-ge, HUANG Yan-ping
journal1 . 2021, (
1
): 79 -83 . DOI: 10.11852/zgetbjzz2020-0402
