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.
Blair A, Datta GD.Blair A, et al.Cancer Epidemiol. 2020 Feb;64:101654. doi: 10.1016/j.canep.2019.101654. Epub 2019 Dec 11.Cancer Epidemiol. 2020.PMID: 31837534
L'Espérance K, Datta GD, Qureshi S, Koushik A.L'Espérance K, et al.Int J Environ Res Public Health. 2020 Feb 12;17(4):1168. doi: 10.3390/ijerph17041168.Int J Environ Res Public Health. 2020.PMID: 32059597Free PMC article.Review.