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.
Benfield RD, Hortobágyi T, Tanner CJ, Swanson M, Heitkemper MM, Newton ER.Benfield RD, et al. Among authors: swanson m.Biol Res Nurs. 2010 Jul;12(1):28-36. doi: 10.1177/1099800410361535. Epub 2010 May 7.Biol Res Nurs. 2010.PMID: 20453024Free PMC article.
Jesse DE, Swanson MS, Newton ER, Morrow J.Jesse DE, et al.J Midwifery Womens Health. 2009 Jan-Feb;54(1):35-42. doi: 10.1016/j.jmwh.2008.08.009.J Midwifery Womens Health. 2009.PMID: 19114237