CJCP     2005 7 (4):  366-368    ISSN: 1008-8830  CN: 43-1301/R Investigation of attention deficit hyperactivity disorder among the ethnic Han and Kazakh students from Kuntun City of Xinjiang KU Li-Ba-Han, LI Dong-Mei, Ye-Er-Ken, Ruo-Min, PANG-Ge-Jia-Fu Department of Pediatrics, Kuntun Hospital of Yili, Kuntun, Xinjiang 833200, China Received: null  Revised: null  Online: null Supporting info