- Professor S Zhang, Department of Medical Genetics, State Key Laboratory of Biotherapy, West China Hospital, West China Medical School, Sichuan University, Gaopeng Avenue, Keyuan Road 4, Chengdu 610041, P R China;
- Received September 11, 2007
- Revised November 15, 2007
- Accepted November 20, 2007
- First published December 21, 2007.
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