An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Gao Y, Den J, Xiang Y, Ruan Z, Wang Z, Hu B, Guo M, Teng W, Han J, Zhang Y.Gao Y, et al. Among authors: xiang y.Zhonghua Yu Fang Yi Xue Za Zhi. 1999 Jan;33(1):5-8.Zhonghua Yu Fang Yi Xue Za Zhi. 1999.PMID: 11864445Chinese.
Xiang Y, Gao Y, Zhong L, Jin F, Sun L, Cheng J, Zhai Y.Xiang Y, et al.Zhonghua Yu Fang Yi Xue Za Zhi. 1999 Jan;33(1):9-12.Zhonghua Yu Fang Yi Xue Za Zhi. 1999.PMID: 11864446Chinese.
Xiang YB, Zhang W, Gao LF, Liu ZW, Xu WH, Liu EJ, Ji BT.Xiang YB, et al.Zhonghua Liu Xing Bing Xue Za Zhi. 2004 Feb;25(2):173-7.Zhonghua Liu Xing Bing Xue Za Zhi. 2004.PMID: 15132877Chinese.
Zhang X, Shu XO, Yang G, Li HL, Xiang YB, Gao YT, Li Q, Zheng W.Zhang X, et al.Am J Epidemiol. 2005 Feb 1;161(3):213-8. doi: 10.1093/aje/kwi028.Am J Epidemiol. 2005.PMID: 15671253