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.
Fang JY, Yang L, Zhu HY, Chen YX, Lu J, Lu R, Cheng ZH, Xiao SD.Fang JY, et al.Chin Med J (Engl). 2004 Jan;117(1):99-103.Chin Med J (Engl). 2004.PMID: 14733783
Lu R, Fang JY, Zhu HY, Chen YX, Cheng ZH, Li EL.Lu R, et al.Zhonghua Yi Xue Za Zhi. 2004 Jun 17;84(12):1014-7.Zhonghua Yi Xue Za Zhi. 2004.PMID: 15312538Chinese.