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.
Kipping RR, Smith M, Heron J, Hickman M, Campbell R.Kipping RR, et al. Among authors: campbell r.Eur J Public Health. 2015 Feb;25(1):44-9. doi: 10.1093/eurpub/cku078. Epub 2014 Jun 23.Eur J Public Health. 2015.PMID: 24963150Free PMC article.
Langford R, Bonell C, Jones H, Pouliou T, Murphy S, Waters E, Komro K, Gibbs L, Magnus D, Campbell R.Langford R, et al. Among authors: campbell r.BMC Public Health. 2015 Feb 12;15:130. doi: 10.1186/s12889-015-1360-y.BMC Public Health. 2015.PMID: 25886385Free PMC article.Review.
Jacob N, MacArthur GJ, Hickman M, Campbell R.Jacob N, et al. Among authors: campbell r.Eur J Public Health. 2016 Feb;26(1):102-10. doi: 10.1093/eurpub/ckv123. Epub 2015 Jul 3.Eur J Public Health. 2016.PMID: 26142406Free PMC article.