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.
Krieger N, Feldman JM, Kim R, Waterman PD.Krieger N, et al. Among authors: waterman pd.JNCI Cancer Spectr. 2018 Apr 25;2(1):pky009. doi: 10.1093/jncics/pky009. eCollection 2018 Jan.JNCI Cancer Spectr. 2018.PMID: 31360840Free PMC article.
Krieger N, Waterman PD, Chen JT, Soobader MJ, Subramanian SV.Krieger N, et al. Among authors: waterman pd.Public Health Rep. 2003 May-Jun;118(3):240-60. doi: 10.1093/phr/118.3.240.Public Health Rep. 2003.PMID: 12766219Free PMC article.