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.
Qin F, Run W, Yuan JH.Qin F, et al. Among authors: yuan jh.Zhonghua Nan Ke Xue. 2013 Apr;19(4):350-4.Zhonghua Nan Ke Xue. 2013.PMID: 23678717Review.Chinese.
Qin F, Qian SQ, Yuan JH.Qin F, et al. Among authors: yuan jh.Beijing Da Xue Xue Bao Yi Xue Ban. 2013 Dec 18;45(6):1001-6.Beijing Da Xue Xue Bao Yi Xue Ban. 2013.PMID: 24343090Free article.Review.Chinese.
Li J, Qin F, Han P, Yuan J.Li J, et al.Pak J Med Sci. 2017 Mar-Apr;33(2):493-497. doi: 10.12669/pjms.332.11928.Pak J Med Sci. 2017.PMID: 28523063Free PMC article.