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.
Silber JH, Rosenbaum PR, Clark AS, Giantonio BJ, Ross RN, Teng Y, Wang M, Niknam BA, Ludwig JM, Wang W, Even-Shoshan O, Fox KR.Silber JH, et al.JAMA. 2013 Jul 24;310(4):389-97. doi: 10.1001/jama.2013.8272.JAMA. 2013.PMID: 23917289Free article.
Silber JH, Rosenbaum PR, Williams SV, Ross RN, Schwartz JS.Silber JH, et al.Int J Qual Health Care. 1997 Jun;9(3):193-200. doi: 10.1093/intqhc/9.3.193.Int J Qual Health Care. 1997.PMID: 9209916