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.
Middleton A, Niruban A, Girling G, Myint PK.Middleton A, et al. Among authors: niruban a.BMJ. 2010 Sep 29;341:c4672. doi: 10.1136/bmj.c4672.BMJ. 2010.PMID: 20880905No abstract available.
Sackley CM, Rick C, Au P, Brady MC, Beaton G, Burton C, Caulfield M, Dickson S, Dowling F, Hughes M, Ives N, Jowett S, Masterson-Algar P, Nicoll A, Patel S, Smith CH, Woolley R, Clarke CE; PD COMM Collaborative Group.Sackley CM, et al.Trials. 2020 May 27;21(1):436. doi: 10.1186/s13063-020-04354-7.Trials. 2020.PMID: 32460885Free PMC article.