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.
Levy S, Weitzman ER, Marin AC, Magane KM, Wisk LE, Shrier LA.Levy S, et al.Subst Abus. 2021;42(3):388-395. doi: 10.1080/08897077.2020.1803180. Epub 2020 Aug 19.Subst Abus. 2021.PMID: 32814009
Pugatch M, Knight JR, McGuiness P, Sherritt L, Levy S.Pugatch M, et al. Among authors: levy s.Subst Abus. 2014;35(4):435-41. doi: 10.1080/08897077.2014.958208.Subst Abus. 2014.PMID: 25174347Clinical Trial.
Weitzman ER, Ziemnik RE, Huang Q, Levy S.Weitzman ER, et al. Among authors: levy s.Pediatrics. 2015 Sep;136(3):450-7. doi: 10.1542/peds.2015-0722.Pediatrics. 2015.PMID: 26668849Free PMC article.