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.
Onello E, Friedrichsen S, Krafts K, Simmons G Jr, Diebel K.Onello E, et al. Among authors: friedrichsen s.Vaccine. 2020 Jan 22;38(4):808-814. doi: 10.1016/j.vaccine.2019.10.094. Epub 2019 Nov 29.Vaccine. 2020.PMID: 31791810
Okuyemi KS, Ojo-Fati O, Aremu TO, Friedrichsen SC, Grude L, Oyenuga M, Shyne M, Murphy SE, Hatsukami D, Joseph AM.Okuyemi KS, et al. Among authors: friedrichsen sc.Nicotine Tob Res. 2022 Mar 1;24(4):555-563. doi: 10.1093/ntr/ntab212.Nicotine Tob Res. 2022.PMID: 34669956Clinical Trial.
Harrison K, Noyes N, Friedrichsen S, Tosun N, Oyenuga A, Allen S.Harrison K, et al. Among authors: friedrichsen s.Addict Behav. 2019 Dec;99:106025. doi: 10.1016/j.addbeh.2019.06.014. Epub 2019 Jun 13.Addict Behav. 2019.PMID: 31412300Free PMC article.No abstract available.