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.
Johnson CC, O'Malley K, Gustat J.Johnson CC, et al.Percept Mot Skills. 2015 Feb;120(1):25-7. doi: 10.2466/06.PMS.120v14x9. Epub 2015 Feb 4.Percept Mot Skills. 2015.PMID: 25650506No abstract available.
Johnson CC, Myers L, Mundorf AR, O'Malley K, Spruance LA, Harris DM.Johnson CC, et al.Int J Environ Res Public Health. 2017 Apr 13;14(4):415. doi: 10.3390/ijerph14040415.Int J Environ Res Public Health. 2017.PMID: 28406472Free PMC article.