Article Information
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History
- Received March 20, 2007
- Accepted July 10, 2007
- Published online August 1, 2007.
Copyright & Usage
Copyright © 2007 by Tianjin Medical University Cancer Institute & Hospital and Springer
Author Information
- Ling Yang⇑
- Correspondence to: Ling Yang E-mail: doctoryangling{at}yahoo.com.cn