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.
Stevens MM, Gaffney CA, Tosteson TD, Mott LA, Olson A, Ahrens MB, Konings EK.Stevens MM, et al.Prev Med. 2001 Mar;32(3):201-6. doi: 10.1006/pmed.2000.0811.Prev Med. 2001.PMID: 11277675
Foster SE, Jones DJ, Olson AL, Forehand R, Gaffney CA, Zens MS, Bau JJ.Foster SE, et al. Among authors: olson al.J Pediatr Psychol. 2007 May;32(4):481-93. doi: 10.1093/jpepsy/jsl030. Epub 2006 Oct 3.J Pediatr Psychol. 2007.PMID: 17018553