A epidemiological survey of attention deficit hyperactivity disorder in Qingdao
XIANG Zi-ni, XIE Jin-na, HENG Zhong-yu, WANG Hai-tao, KUANG Gui-fang
journal1 . 2017, (5): 499 -502 .  DOI: 10.11852/zgetbjzz2017-25-05-19