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.
Zhang X, Wu M, Xiao H, Lee MT, Levin L, Leung YK, Ho SM.Zhang X, et al. Among authors: levin l.Prostate. 2010 May 15;70(7):765-76. doi: 10.1002/pros.21109.Prostate. 2010.PMID: 20054818Free PMC article.
Miller M, Bailey B, Govindarajah V, Levin L, Metzger T, Pinney SM, Leung YK, Ho SM.Miller M, et al. Among authors: levin l.Perspect Public Health. 2016 Nov;136(6):345-352. doi: 10.1177/1757913916630341. Epub 2016 Mar 3.Perspect Public Health. 2016.PMID: 26941233Free PMC article.Review.