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A case-control study on family environment factors in attention-deficit hyperactivity disorder with learning disabilitiesZHANG Yue-bing, LUO Xue-rong, LIU Xia, DING Jun, GUAN Bing-qing, YUAN Xiu-hong, YE Hai-sen, YANG Wei, NING Zhi-jun, WEI Zhen685-687
Analysis of correlation between sleep postures and sleep disorders among childrenWENG Xue-hua, LI Jie-min, JIANG Yan, LIU Ji-hong, LUO Xue-mei, CAI Yi-min688-690