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History
- Received September 30, 2012
- Accepted January 20, 2012
- Published online June 1, 2012.
Copyright & Usage
Copyright: © 2012, Cancer Biology & Medicine https://creativecommons.org/licenses/by/4.0/This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY) 4.0, which permits unrestricted use, distribution and reproduction in any medium, provided the original author and source are credited.
Author Information
- Gui-ju Gao1,
- Di Yang1,
- Ke-ke Lin2,
- Jiang Xiao1,
- Xin Li1,
- Hong-yuan Liang1,
- Long Liu1,
- Ning Han1 and
- Hong-xin Zhao1⇑
- 1Beijing Ditan Hospital, Capital Medical University, Beijing 100015, China
- 2School of Nursing, Peking University, Beijing 100191, China
- Correspondence to: Hong-xin Zhao E-mail: zhao_hongxin66{at}yahoo.com.cn