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.
Johannesson M, Askling J, Montgomery SM, Ekbom A, Bahmanyar S.Johannesson M, et al. Among authors: montgomery sm.Int J Cancer. 2009 Dec 15;125(12):2953-6. doi: 10.1002/ijc.24679.Int J Cancer. 2009.PMID: 19551859Free article.
Chang ET, Montgomery SM, Richiardi L, Ehlin A, Ekbom A, Lambe M.Chang ET, et al. Among authors: montgomery sm.Cancer Epidemiol Biomarkers Prev. 2004 Jul;13(7):1236-43.Cancer Epidemiol Biomarkers Prev. 2004.PMID: 15247136