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.
Goodman JM, Plyley MJ, Lefkowitz CA, Liu PP, McLaughlin PR.Goodman JM, et al. Among authors: plyley mj.Can J Sport Sci. 1991 Sep;16(3):204-9.Can J Sport Sci. 1991.PMID: 1655195
Goodman JM, Plyley MJ, Hart LE, Radomski M, Shephard RJ.Goodman JM, et al. Among authors: plyley mj.Aviat Space Environ Med. 1990 Feb;61(2):139-44.Aviat Space Environ Med. 1990.PMID: 2310361