CJCP     2009 11 (02):  159-161    ISSN: 1008-8830  CN: 43-1301/R Roles of tumor suppressor PTEN in the development and differentiation of brain LI De-Yuan, QU Yi, MU De-Zhi Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu 610041, China Received: null  Revised: null  Online: null Supporting info