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.
Austin PC, Alter DA, Tu JV.Austin PC, et al.Med Decis Making. 2003 Nov-Dec;23(6):526-39. doi: 10.1177/0272989X03258443.Med Decis Making. 2003.PMID: 14672113
Austin PC, Mamdani MM, Stukel TA, Anderson GM, Tu JV.Austin PC, et al.Stat Med. 2005 May 30;24(10):1563-78. doi: 10.1002/sim.2053.Stat Med. 2005.PMID: 15706581