CJCP     2009 11 (9):  780-781    ISSN: 1008-8830  CN: 43-1301/R RABL2B gene mutation in a girl with mental retardation and hyperactivity ZHU Li-Na, LIU Xin, WANG Chun-Zhi, WANG Yan, YANG Xiao, PENG Wei, WANG Wei, MA Ning. Department of Clinical Genetics, Bayi Children's Hospital, General Hospital Of Beijing Commamd, Beijing 100700, China Received: null  Revised: null  Online: null Supporting info