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.
Ziegenfuss JY, Burmeister K, James KM, Haas L, Tilburt JC, Beebe TJ.Ziegenfuss JY, et al.BMC Med Res Methodol. 2012 Mar 31;12:41. doi: 10.1186/1471-2288-12-41.BMC Med Res Methodol. 2012.PMID: 22463734Free PMC article.
Ridgeway JL, Lim CC, Liesinger JT, Smith SA, Shah ND, Montori VM, Ziegenfuss JY.Ridgeway JL, et al. Among authors: ziegenfuss jy.J Public Health Manag Pract. 2014 Jul-Aug;20(4):411-9. doi: 10.1097/PHH.0b013e3182a5c2dc.J Public Health Manag Pract. 2014.PMID: 24435013