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.
Davey A, Endres NK, Johnson RJ, Shealy JE.Davey A, et al. Among authors: johnson rj.Sports Health. 2019 Jan/Feb;11(1):18-26. doi: 10.1177/1941738118813051.Sports Health. 2019.PMID: 30782106Free PMC article.Review.
Blitzer CM, Johnson RJ, Ettlinger CF, Aggeborn K.Blitzer CM, et al. Among authors: johnson rj.Am J Sports Med. 1984 Mar-Apr;12(2):142-7. doi: 10.1177/036354658401200210.Am J Sports Med. 1984.PMID: 6146268
Deibert MC, Aronsson DD, Johnson RJ, Ettlinger CF, Shealy JE.Deibert MC, et al. Among authors: johnson rj.J Bone Joint Surg Am. 1998 Jan;80(1):25-32.J Bone Joint Surg Am. 1998.PMID: 9469305
Natri A, Beynnon BD, Ettlinger CF, Johnson RJ, Shealy JE.Natri A, et al. Among authors: johnson rj.Sports Med. 1999 Jul;28(1):35-48. doi: 10.2165/00007256-199928010-00004.Sports Med. 1999.PMID: 10461711Review.