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.
Chriqui JF, Chaloupka FJ, Powell LM, Eidson SS.Chriqui JF, et al. Among authors: powell lm.J Public Health Policy. 2013 Aug;34(3):403-23. doi: 10.1057/jphp.2013.17. Epub 2013 May 23.J Public Health Policy. 2013.PMID: 23698157Free PMC article.
Singleton CR, Li Y, Duran AC, Zenk SN, Odoms-Young A, Powell LM.Singleton CR, et al. Among authors: powell lm.Int J Environ Res Public Health. 2017 Oct 18;14(10):1242. doi: 10.3390/ijerph14101242.Int J Environ Res Public Health. 2017.PMID: 29057794Free PMC article.
Chaloupka FJ, Powell LM, Warner KE.Chaloupka FJ, et al. Among authors: powell lm.Annu Rev Public Health. 2019 Apr 1;40:187-201. doi: 10.1146/annurev-publhealth-040218-043816. Epub 2019 Jan 2.Annu Rev Public Health. 2019.PMID: 30601721Review.