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.
Timko Olson ER, Hansen MM, Vermeesch A.Timko Olson ER, et al. Among authors: hansen mm.Int J Environ Res Public Health. 2020 Dec 14;17(24):9340. doi: 10.3390/ijerph17249340.Int J Environ Res Public Health. 2020.PMID: 33327407Free PMC article.Review.
Hansen MM, Jones R, Tocchini K.Hansen MM, et al.Int J Environ Res Public Health. 2017 Jul 28;14(8):851. doi: 10.3390/ijerph14080851.Int J Environ Res Public Health. 2017.PMID: 28788101Free PMC article.Review.
Hansen M, Oosthuizen G, Windsor J, Doherty I, Greig S, McHardy K, McCann L.Hansen M, et al.J Med Internet Res. 2011 Mar 1;13(1):e29. doi: 10.2196/jmir.1596.J Med Internet Res. 2011.PMID: 21447471Free PMC article.Clinical Trial.