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.
Lloyd DC, Harris CM, Roberts DJ.Lloyd DC, et al.BMJ. 1995 Oct 14;311(7011):991-4. doi: 10.1136/bmj.311.7011.991.BMJ. 1995.PMID: 7580642Free PMC article.
Lloyd DC, Harris CM, Roberts DJ.Lloyd DC, et al.Br J Gen Pract. 1994 Jul;44(384):331-2.Br J Gen Pract. 1994.PMID: 8068384Free PMC article.No abstract available.
Rice N, Dixon P, Lloyd DC, Roberts D.Rice N, et al. Among authors: lloyd dc.BMJ. 2000 Jan 29;320(7230):284-8. doi: 10.1136/bmj.320.7230.284.BMJ. 2000.PMID: 10650026Free PMC article.
Rice N, Carr-Hill R, Roberts D, Lloyd D.Rice N, et al. Among authors: lloyd d.J Health Serv Res Policy. 1997 Jul;2(3):154-9. doi: 10.1177/135581969700200305.J Health Serv Res Policy. 1997.PMID: 10180376
Harris CM, Lloyd DC, Lewis J.Harris CM, et al. Among authors: lloyd dc.J Clin Epidemiol. 1995 Sep;48(9):1153-8. doi: 10.1016/0895-4356(94)00244-k.J Clin Epidemiol. 1995.PMID: 7636517