- Correspondence to: Dr X Zhu Department of Dermatology, Peking University First Hospital, No 8 Xishiku Street, Xicheng District, Beijing 100034, China; Correspondence to: Dr Y Shen Chinese National Human Genome Centre, No 3 Yongchangbeilu, Beijing 100176, China;
- Received July 8, 2003
- Accepted September 8, 2003
- Revised September 1, 2003
- First published March 1, 2004.
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