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.
Schaeffer SA, Darby LA, Browder KD, Reeves BD.Schaeffer SA, et al. Among authors: darby la.Percept Mot Skills. 1995 Oct;81(2):691-700. doi: 10.2466/pms.1995.81.2.691.Percept Mot Skills. 1995.PMID: 8570379
Schaeffer-Gerschutz SA, Darby LA, Browder KD.Schaeffer-Gerschutz SA, et al. Among authors: darby la.Percept Mot Skills. 2000 Apr;90(2):457-71. doi: 10.2466/pms.2000.90.2.457.Percept Mot Skills. 2000.PMID: 10833740