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.
Jones PW, Ziade MF, Davis MJ, Dawes PT.Jones PW, et al. Among authors: davis mj.Stat Med. 1993 Jun 30;12(12):1171-81. doi: 10.1002/sim.4780121206.Stat Med. 1993.PMID: 8210820
Wilkinson SM, Smith AG, Davis MJ, Hollowood K, Dawes PT.Wilkinson SM, et al. Among authors: davis mj.Acta Derm Venereol. 1992 Aug;72(4):289-91.Acta Derm Venereol. 1992.PMID: 1357891