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.
Lawlor DA, Harbord RM, Sterne JA, Timpson N, Davey Smith G.Lawlor DA, et al. Among authors: sterne ja.Stat Med. 2008 Apr 15;27(8):1133-63. doi: 10.1002/sim.3034.Stat Med. 2008.PMID: 17886233
Lawlor DA, Smith GD, Leon DA, Sterne JA, Ebrahim S.Lawlor DA, et al. Among authors: sterne ja.Lancet. 2002 Dec 7;360(9348):1818-23. doi: 10.1016/S0140-6736(02)11769-7.Lancet. 2002.PMID: 12480358
May M, Royston P, Egger M, Justice AC, Sterne JA; ART Cohort Collaboration.May M, et al. Among authors: sterne ja.Stat Med. 2004 Aug 15;23(15):2375-98. doi: 10.1002/sim.1825.Stat Med. 2004.PMID: 15273954