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.
Chen Y, Li W, Yu S.Chen Y, et al. Among authors: yu s.Br Med J (Clin Res Ed). 1986 Aug 2;293(6542):303-6. doi: 10.1136/bmj.293.6542.303.Br Med J (Clin Res Ed). 1986.PMID: 3089494Free PMC article.
Wang Y, Liu P, Yu S.Wang Y, et al. Among authors: yu s.Zhonghua Liu Xing Bing Xue Za Zhi. 1994 Apr;15(2):103-6.Zhonghua Liu Xing Bing Xue Za Zhi. 1994.PMID: 7923330Clinical Trial.Chinese.
Cai L, Yu S, Chen J.Cai L, et al. Among authors: yu s.Zhonghua Yu Fang Yi Xue Za Zhi. 1999 Nov;33(6):331-3.Zhonghua Yu Fang Yi Xue Za Zhi. 1999.PMID: 11864501Chinese.
Gao G, Chen S, Wang L, Liao M, Yu S, Xiao P.Gao G, et al. Among authors: yu s.Zhongguo Zhong Yao Za Zhi. 1999 Mar;24(3):160-1, 191.Zhongguo Zhong Yao Za Zhi. 1999.PMID: 12242798Chinese.
Ma Y, Yang Y, Huang M, Wang Y, Chen Y, Deng L, Yu S, Deng Q, Zhang H, Wang C, Liu L, Shen X.Ma Y, et al. Among authors: yu s.Epidemiol Infect. 2009 Oct;137(10):1414-9. doi: 10.1017/S0950268809002118. Epub 2009 Feb 26.Epidemiol Infect. 2009.PMID: 19243651