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.
Schapiro-Dufour E, Cucherat M, Velzenberger E, Galmiche H, Denis C, Machecourt J.Schapiro-Dufour E, et al. Among authors: machecourt j.Int J Technol Assess Health Care. 2011 Apr;27(2):108-17. doi: 10.1017/S0266462311000134.Int J Technol Assess Health Care. 2011.PMID: 21473811Review.