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.
Williams NA, Coday M, Somes G, Tylavsky FA, Richey PA, Hare M.Williams NA, et al. Among authors: richey pa.J Dev Behav Pediatr. 2010 Nov-Dec;31(9):705-12. doi: 10.1097/DBP.0b013e3181f17b1c.J Dev Behav Pediatr. 2010.PMID: 21057255Free PMC article.Clinical Trial.
Reed CM, Richey PA, Pulliam DA, Somes GW, Alpert BS.Reed CM, et al. Among authors: richey pa.Am J Cardiol. 1993 Mar 1;71(7):608-10. doi: 10.1016/0002-9149(93)90523-f.Am J Cardiol. 1993.PMID: 8438753No abstract available.
Williams NA, Fournier J, Coday M, Richey PA, Tylavsky FA, Hare ME.Williams NA, et al. Among authors: richey pa.Child Care Health Dev. 2013 Nov;39(6):825-34. doi: 10.1111/j.1365-2214.2012.01401.x. Epub 2012 Aug 8.Child Care Health Dev. 2013.PMID: 22882115Free PMC article.