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.
Scheike TH, Sun Y.Scheike TH, et al.Lifetime Data Anal. 2007 Sep;13(3):399-420. doi: 10.1007/s10985-007-9043-3. Epub 2007 Aug 8.Lifetime Data Anal. 2007.PMID: 17682942
Martinussen T, Scheike TH.Martinussen T, et al. Among authors: scheike th.Lifetime Data Anal. 2009 Sep;15(3):330-42. doi: 10.1007/s10985-009-9111-y. Epub 2009 Jan 28.Lifetime Data Anal. 2009.PMID: 19184421