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.
Ritter A, Lancaster K.Ritter A, et al.Int J Drug Policy. 2013 Jan;24(1):30-7. doi: 10.1016/j.drugpo.2012.02.005. Epub 2012 Apr 13.Int J Drug Policy. 2013.PMID: 22503108
Vuong T, Ritter A, Nguyen N, Ali R.Vuong T, et al. Among authors: ritter a.Int J Drug Policy. 2017 Nov;49:41-47. doi: 10.1016/j.drugpo.2017.07.029. Epub 2017 Sep 11.Int J Drug Policy. 2017.PMID: 28910608
Hughes CE, Ritter A, Mabbitt N.Hughes CE, et al. Among authors: ritter a.Int J Drug Policy. 2013 May;24(3):244-50. doi: 10.1016/j.drugpo.2012.08.004. Epub 2012 Oct 1.Int J Drug Policy. 2013.PMID: 23036652
Ritter A, Lancaster K, Diprose R.Ritter A, et al.Int J Drug Policy. 2018 May;55:1-7. doi: 10.1016/j.drugpo.2018.01.016. Epub 2018 Feb 9.Int J Drug Policy. 2018.PMID: 29428297
Madden A, Lancaster K, Ritter A, Treloar C.Madden A, et al. Among authors: ritter a.Int J Drug Policy. 2021 Jan;87:103014. doi: 10.1016/j.drugpo.2020.103014. Epub 2020 Oct 28.Int J Drug Policy. 2021.PMID: 33129132