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.
Sheehan FH, Otto CM, Freeman RV.Sheehan FH, et al. Among authors: freeman rv.Stud Health Technol Inform. 2013;184:397-403.Stud Health Technol Inform. 2013.PMID: 23400191
Ramchandani MS, Rakita RM, Freeman RV, Levy WC, Von Homeyer P, Mokadam NA.Ramchandani MS, et al. Among authors: freeman rv.ASAIO J. 2014 Jul-Aug;60(4):479-81. doi: 10.1097/MAT.0000000000000080.ASAIO J. 2014.PMID: 24727539Free PMC article.