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.
Jin BF, Yang XY, Shang XJ, Shao CA, Xia XY, Huang YF, Xu FS.Jin BF, et al.Zhonghua Nan Ke Xue. 2005 Mar;11(3):235-7.Zhonghua Nan Ke Xue. 2005.PMID: 15804122Chinese.
Jin BF, Huang YF, Shao CA, Xia XY, Guan FG, Li G, Wang J.Jin BF, et al.Zhonghua Nan Ke Xue. 2005 Jul;11(7):544-7.Zhonghua Nan Ke Xue. 2005.PMID: 16078678Chinese.
Liu HH, Xia XY, Wu YM, Pan LJ, Jin BF, Shang XJ, Huang YF.Liu HH, et al.Zhonghua Nan Ke Xue. 2006 Apr;12(4):330-2, 336.Zhonghua Nan Ke Xue. 2006.PMID: 16683566Chinese.