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.
Langan S, Schmitt J, Coenraads PJ, Svensson A, von Elm E, Williams H; European Dermato-Epidemiology Network (EDEN).Langan S, et al.Arch Dermatol. 2010 May;146(5):534-41. doi: 10.1001/archdermatol.2010.87.Arch Dermatol. 2010.PMID: 20479302
Langan SM, Schmitt J, Coenraads PJ, Svensson A, von Elm E, Williams HC; European Dermato-Epidemiology Network (EDEN).Langan SM, et al.Br J Dermatol. 2011 Jan;164(1):1-3. doi: 10.1111/j.1365-2133.2010.10136.x.Br J Dermatol. 2011.PMID: 21175559No abstract available.
Langan SM, Benchimol EI, Guttmann A, Moher D, Petersen I, Smeeth L, Sørensen HT, Stanley F, Von Elm E.Langan SM, et al.Clin Epidemiol. 2013;5:29-31. doi: 10.2147/CLEP.S36885. Epub 2013 Feb 7.Clin Epidemiol. 2013.PMID: 23413321Free PMC article.No abstract available.