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.
Keselman HJ, Algina J, Kowalchuk RK.Keselman HJ, et al.Br J Math Stat Psychol. 2001 May;54(Pt 1):1-20. doi: 10.1348/000711001159357.Br J Math Stat Psychol. 2001.PMID: 11393894Review.
Lix LM, Keselman HJ.Lix LM, et al. Among authors: keselman hj.Eval Health Prof. 2004 Mar;27(1):45-69. doi: 10.1177/0163278703261213.Eval Health Prof. 2004.PMID: 14994559