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.
Urhausen A, Kindermann W.Urhausen A, et al. Among authors: kindermann w.Sports Med. 2002;32(2):95-102. doi: 10.2165/00007256-200232020-00002.Sports Med. 2002.PMID: 11817995Review.
Scharhag J, Herrmann M, Urhausen A, Haschke M, Herrmann W, Kindermann W.Scharhag J, et al. Among authors: kindermann w.Am Heart J. 2005 Dec;150(6):1128-34. doi: 10.1016/j.ahj.2005.01.051.Am Heart J. 2005.PMID: 16338248
Krieg A, Scharhag J, Kindermann W, Urhausen A.Krieg A, et al. Among authors: kindermann w.Sports Med. 2007;37(1):15-30. doi: 10.2165/00007256-200737010-00002.Sports Med. 2007.PMID: 17190533