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.
Brook RH, Williams KN.Brook RH, et al.J Community Health. 1975 Winter;1(2):132-56. doi: 10.1007/BF01319207.J Community Health. 1975.PMID: 777052Review.
Williams KN, Brook RH.Williams KN, et al. Among authors: brook rh.Milbank Mem Fund Q Health Soc. 1975 Fall;53(4):549-81.Milbank Mem Fund Q Health Soc. 1975.PMID: 1044425
Williams KN, Brook RH.Williams KN, et al. Among authors: brook rh.Health Med Care Serv Rev. 1978 May-Jun;1(3):1, 3-15.Health Med Care Serv Rev. 1978.PMID: 10308906Review.No abstract available.