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.
McNeil DA, Wilson BN, Siever JE, Ronca M, Mah JK.McNeil DA, et al.Am J Health Promot. 2009 Jul-Aug;23(6):376-87. doi: 10.4278/ajhp.071010107.Am J Health Promot. 2009.PMID: 19601477Clinical Trial.
Johnston JC, McNeil DA, Best M, MacLeod C.Johnston JC, et al. Among authors: mcneil da.J Sch Nurs. 2011 Feb;27(1):61-9. doi: 10.1177/1059840510394188. Epub 2010 Dec 20.J Sch Nurs. 2011.PMID: 21173090
McNeil DA, Vekved M, Dolan SM, Siever J, Horn S, Tough SC.McNeil DA, et al.BMC Pregnancy Childbirth. 2012 Mar 21;12:17. doi: 10.1186/1471-2393-12-17.BMC Pregnancy Childbirth. 2012.PMID: 22436393Free PMC article.